Batch Short Circuit Users Manual

ASPEN Batch Short Circuit Module Version 10 User's Manual Advanced Systems for Power Engineering, Inc. NOTICE ASPEN

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ASPEN

Batch Short Circuit Module Version 10 User's Manual

Advanced Systems for Power Engineering, Inc.

NOTICE ASPEN Batch Short Circuit Module is a proprietary computer program of Advanced Systems for Power Engineering, Inc. (ASPEN). The information in this document is subject to change without notice. Advanced Systems for Power Engineering, Inc. assumes no responsibility for any errors that may appear in this document. Copyright  1988-2005 Advanced Sy stems for Power Engineering, Inc. All right reserved.

HOW TO ORDER MORE MANUALS This User's Manual may be duplicated by the Licensee for its own use. You can order a new copy by writing to the address below. Please refer to document BSC-UM -2005.

M ailing address:

ASPEN 34 N. San Mateo Drive San Mateo, CA 94401 U.S.A.

Telephone: Fax: eMail (tech support in English): eMail (tech support in Spanish): eMail (tech support in Portuguese): Web Site:

(650)347-3997 (650)347-0233 [email protected] [email protected] [email protected] www.aspeninc.com

Our office hours are from 8:00 a.m. to 5:00 p.m. Pacific time (GMT-8 in the winter, GMT-7 in the summer), Monday through Friday.

_________________________________________________________________________________ ASPEN OneLiner™, ASPEN Power Flow™, ASPEN Overcurrent Relay Editor™, ASPEN Distance Relay Editor™, ASPEN DistriView™, ASPEN Batch Short Circuit Module™, ASPEN PowerScript™, ASPEN Breaker Rating Module™ and ASPEN Relay Database™ are trademarks of Advanced Systems for Power Engineering, Inc. PSS/E™ and PSS/U™ are trademarks of Power Technologies, Inc.® IBM  is a registered trademark of International Business Machines Incorporated. Microsoft  is a registered trademark of Microsoft Corp. Windows™ is a trademark of Microsoft Corp.

Contents SECTION 1 INTRODUCTION ................................................................................ 3 1.1 FEATURES .............................................................................................................................................................................3 1.2 SAMPLE OUTPUTS..............................................................................................................................................................4

SECTION 2 INSTALLATION AND TUTORIAL............ 8 2.1 2.2 2.3 2.4

INSTALLING THE PROGRAM ...........................................................................................................................................8 STARTING THE PROGRAM...............................................................................................................................................8 FILES........................................................................................................................................................................................9 QUICK TUTORIAL...............................................................................................................................................................9

SECTION 3 COMMAND REFERENCE ............................................11 3.1 INTRODUCTION.................................................................................................................................................................11 3.2 MAIN WINDOW COMMANDS ......................................................................................................................................12 FILE MENU...........................................................................................................................................................................13 OPEN .OLR OR .DXT FILE COMMAND..........................................................................................................................13 VIEW OUTPUT FILE COMMAND....................................................................................................................................14 NEW COMMAND FILE COMMAND...............................................................................................................................15 OPEN COMMAND FILE COMMAND .............................................................................................................................17 SELECT PRINTER COMMAND.........................................................................................................................................18 CLOSE COMMAND.............................................................................................................................................................19 EXIT COMMAND .............................................................................................................................................................20

VIEW MENU..........................................................................................................................................................................21 CLEAR COMMAND............................................................................................................................................................21 SELECT ALL COMMAND..................................................................................................................................................22 PRINT SELECTED TEXT COMMAND.............................................................................................................................23 SAVE SELECTED TEXT COMMAND...............................................................................................................................24 COPY SELECTED TEXT TO CLIPBOARD COMMAND ...............................................................................................25 FONT COMMAND..............................................................................................................................................................26

NETWORK MENU................................................................................................................................................................27 STATISTICS COMMAND...................................................................................................................................................27 OUTAGE LIST COMMAND...............................................................................................................................................28

FAULTS MENU.....................................................................................................................................................................29 SPECIFY FAULTS COMMAND.........................................................................................................................................29 BUS-FAULT SUMMARY COMMAND ............................................................................................................................34 LINE-END/OUT FAULT SUMMARY COMMAND........................................................................................................37 X/R RATIO PARAMETERS COMMAND.........................................................................................................................40 OPTIONS COMMAND........................................................................................................................................................42

3.3 COMMAND EDITOR WINDOW COMMANDS...........................................................................................................43 FILE MENU...........................................................................................................................................................................44 SAVE COMMAND...............................................................................................................................................................44 SAVE AS COMMAND.........................................................................................................................................................45

Batch Short Circuit Module V10

Contents • i

PRINT COMMAND.............................................................................................................................................................46 CLOSE COMMAND.............................................................................................................................................................47

EDIT MENU...........................................................................................................................................................................48 EDIT COMMANDS..............................................................................................................................................................48

SEARCH MENU....................................................................................................................................................................49 SEARCH COMMANDS .......................................................................................................................................................49

SPECIFY MENU...................................................................................................................................................................50 ALL BUS FAULTS COMMAND ........................................................................................................................................50 BUS, LINE-END, LINE-OUT FAULTS COMMAND .......................................................................................................51 INTERMEDIATE FAULTS COMMAND..........................................................................................................................52 OUTPUT COMMAND ........................................................................................................................................................54

RUN MENU............................................................................................................................................................................55 COMMANDS COMMAND ................................................................................................................................................55

3.4 OUTPUT FILE WINDOW COMMANDS........................................................................................................................56 FILE MENU...........................................................................................................................................................................57 OPEN OUTPUT FILE COMMAND ...................................................................................................................................57 CLOSE WINDOW COMMAND..........................................................................................................................................58 SAVE THIS CASE COMMAND..........................................................................................................................................59 PRINT THIS CASE COMMAND........................................................................................................................................60 PRINT ALL COMMAND ....................................................................................................................................................61

TITLE BAR COMMANDS ....................................................................................................................................................62 TOP, BOT., PREV and NEXT COMMAND......................................................................................................................62 INDEX COMMAND ............................................................................................................................................................63

INDEX..............................................................................................................................................................................................65

ii • Contents

Batch Short Circuit Module V10

SECTION 1

INTRODUCTION

1.1 FEATURES The ASPEN Batch Short Circuit Module™ works much the same way as a classical short circuit program: It automatically simulates a large number of faults and outputs the results to a text file. It effectively complements ASPEN OneLiner, which is designed to simulate faults and relay operations on a case-by-case basis. The Batch Short Circuit Module is a valuable tool for users who need text output for a large number of fault simulations. It is also a time saver for engineers who routinely perform breaker-rating studies. The input to the Batch Short Circuit Module can be either a text data or a binary data file. The program simulates bus faults, line-end faults and line-out faults with all the classical phase connections: 3-phase, 2-line-to-ground, single-line-to-ground, and line-to-line. The user can apply the selected fault types and phase connections to all the buses in the system or apply them selectively to all buses in an area, or to all buses whose nominal kV, bus number and bus name are within a certain range. The program also computes the ANSI X/R ratio, an important value for determining the short-circuit duty imposed on the circuit breakers. The program can compile a summary of bus faults, line-end faults and line-out faults, plus their ANSI X/R ratios, in a tabular form for breaker-rating studies. The user can use the program to compose a text command file and frequently execute the file later without further user input. The command file specifies the file name, output options and a series of faults to be simulated. The program has a voltage-sag analysis feature that can help you study the voltage variations at a voltagesensitive customer's bus caused by short circuits in the vicinity. The program automatically simulates bus faults and intermediate faults in the vicinity of the monitored bus and tabulates the voltage at the monitored bus. Faults that caused the monitored voltage to drop below the threshold are flagged. This feature has an automatic stopping criterion that ends the simulations when the monitored voltage is above the threshold for all the faults at a certain distance away. The output of the Batch Short Circuit Module is a text file that is identical in format to that generated by the Faults | Solution Report command in OneLiner. The Batch Short Circuit Module is extremely fast. For most systems, the overall speed of the program is limited only by the rate at which the output file can be written to the hard disk.

Batch Short Circuit Module V10

SECTION 1

INTRODUCTION • 3

1.2 SAMPLE OUTPUTS The Batch Short Circuit Module produces three types of text outputs: a full solution output, a bus-fault summary, and a line-end/out fault summary. An example full-solution output for a fault at the NEVADA 132kV bus is shown below: -- ASPEN Batch Short Circuit Module (Tm) -Version 10 DATE AND TIME:

Wed Aug 13 14:24:03 2003

INPUT FILE NAME:

C:\ASPEN\IEEE30.OLR

NAME OF THIS FILE: C:\ASPEN\BATCHSC.OUT BASE MVA = 100. BASE CASE HAS:

29 6 21 0 0 35 4 1 1 0 2

BUSES GENERATORS LOADS SHUNTS SWITCHED SHUNTS LINES 2-W TRANSFORMERS 3-W TRANSFORMERS PHASE SHIFTERS SWITCHES MUTUAL GROUPS

FILE COMMENTS: 29-BUS TEST SYSTEM PREFAULT VOLTAGE PROFILE: FLAT BUS VOLTAGES. PREFAULT V=1 P.U. GENERATOR IMPEDANCE: SUBTRANSIENT IGNORE PHASE SHIFT [ ] IGNORE LOADS [ ] IGNORE TRANSMISSION LINE G+jB [ ] IGNORE SHUNTS WITH + SEQUENCE IMPEDANCE [ ] ACTIVATE OUT-OF-SERVICE EQUIPMENT [ ] FAULT TAP BUSES [ ] IN X-ONLY NETWORK WHEN X=0 USE X=0.0001 P.U. IN R-ONLY NETWORK WHEN R=0 USE R IN METHOD 1 WITH: RC= 0.0001, X/R =10 FOR GENERATORS; =10 FOR XFORMERS; =10 FOR OTHERS FAULTS APPLIED TO ALL BUSES WITH BUS NUMBERS BETWEEN 0 AND 99999, INCLUSIVE, AND WITH NOMINAL KV BETWEEN 0.00 AND 9999.00, INCLUSIVE, AND WITH BUS NAME BETWEEN AND zzzzzzzzzzzz, INCLUSIVE. A TOTAL OF 58 FAULTS SIMULATED. OUT-OF-SERVICE EQUIPMENT: NONE. ================================================================================================================================== 1. 1LG Bus fault on: NEVADA 132. kV FAULT CURRENT (A @ DEG) + SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE 2623.7@ -80.1 2623.7@ -80.1 2623.7@ -80.1 7871.2@ -80.1 0.0@ 0.0 0.0@ 0.0 THEVENIN IMPEDANCE (OHM) 1.6056+j9.18566 1.6056+j9.18566 1.7777+j10.2435 SHORT CIRCUIT MVA= 1799.6 ANSI X/R RATIO= 146.283 X/R RATIO= 5.7357 R0/X1= 0.19353 X0/X1= 1.11516 ---------------------------------------------------------------------------------------------------------------------------------BUS 6 NEVADA 132.0KV AREA AA TIER 0 (PREFAULT V=1.000@ 0.0 PU) + SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE VOLTAGE (KV, L-G) > 51.744@ 0.0 24.466@ 180.0 [email protected] 0.000@ 0.0 [email protected] 77.627@ 121.8 BRANCH CURRENT (A) TO > 28 ARIZONA 132.0 1L 130.5@ 102.1 130.2@ 108.7 90.9@ 109.0 351.1@ 106.3 52.6@ -80.6 27.2@ -87.2 8 REUSENS 132.0 1L 544.7@ 95.6 544.0@ 95.9 656.9@ 96.1 1745.6@ 95.9 110.1@ 97.5 115.3@ 98.0 7 OHIO 132.0 1L 448.0@ 106.4 446.8@ 107.0 505.0@ 107.2 1399.8@ 106.9 53.7@ 109.5 61.8@ 111.2 2 CLAYTOR 132.0 1L 424.8@ 100.4 418.5@ 103.3 498.5@ 103.6 1341.4@ 102.5 59.2@ 111.6 97.4@ 114.2 10 NEW HAMPSHR 33.0 1X 277.8@ 89.4 275.3@ 98.2 362.6@ 93.0 914.1@ 93.5 50.4@ 85.5 123.9@ 92.4 11 ROANOKE 13.8 1X AUTO NEUTRAL CURRENT = 1477.4 @ 74.8 A 4 TENNESSEE 132.0 1P 705.2@ 104.1 713.7@ 94.7 390.0@ 97.7 1804.0@ 99.0 216.7@ -79.5 418.3@ -78.0 10 NEW HAMPSHR 33.0 1T 105.8@ 88.8 105.8@ 105.2 130.7@ 96.3 340.1@ 96.8 1.7@ 1.0 52.1@ 95.2 CURRENT TO FAULT (A) > 2623.7@ -80.1 2623.7@ -80.1 2623.7@ -80.1 7871.2@ -80.1 0.0@ 0.0 0.0@ 0.0 THEVENIN IMPEDANCE (OHM) > 9.32493@ 80.1 9.32493@ 80.1 10.3966@ 80.2 ---------------------------------------------------------------------------------------------------------------------------------BUS 28 ARIZONA 132.0KV AREA CC TIER 1 (PREFAULT V=1.000@ 0.0 PU) + SEQ - SEQ 0 SEQ A PHASE B PHASE C PHASE VOLTAGE (KV, L-G) > 53.161@ -0.1 23.051@ 179.8 24.383@ 179.6 5.731@ 1.7 [email protected] 76.965@ 120.7 BRANCH CURRENT (A) TO > 6 NEVADA 132.0 1L 131.4@ -78.0 131.1@ -71.5 89.6@ -70.5 351.5@ -73.6 54.9@ 98.6 29.5@ 91.8 8 REUSENS 132.0 1L 73.6@ 93.9 74.6@ 91.1 19.4@ 79.5 167.1@ 91.0 52.1@ -83.7 58.5@ -82.5 27 ARKANSAS 33.0 1T 59.5@ 112.1 64.0@ 129.0 73.5@ 117.1 195.5@ 119.5 3.5@ -44.7 29.3@ 103.4 ----------------------------------------------------------------------------------------------------------------------------------

4 • SECTION 1

INTRODUCTION

Batch Short Circuit Module V10

A sample bus fault summary (without the title page) is shown below. It contains, in this order. • • •

Bus number, name and nominal kV. Fault currents and X/R ratios for 3-phase, 2-line-to-ground and single-line-to-ground faults. All the X/R ratios shown are ANSI X/R ratios. Thevenin impedances of the positive, negative and zero sequence. The impedances are shown in rectangular form.

============================================================================================================================ == ____BUS_____________________3LG(A)_____X/R___2LG(A)_____X/R___1LG(A)_____X/R_______Z+(OHM)_________Z2(OHM)_________Z0(OHM)__ __ 0 DOT BUS 13.8kV 52807.8 7.9 51072.8 8.2 48376.7 8.6 0.00195 0.15086 0.00195 0.15086 1.3E-36 0.19234 1 GLEN LYN 132.kV 9070.3 7.5 8888.3 7.5 8662.2 7.5 0.80817 8.3632 0.80817 8.3632 0.89691 9.54775 2 CLAYTOR 132.kV 9327.4 6.6 9145.2 6.6 8893.6 6.6 0.99509 8.10971 0.99509 8.10971 1.2047 9.28867 3 TEXAS 132.kV 5154.5 4.5 4961.7 4.6 4629.7 4.7 3.09709 14.4571 3.09709 14.4571 3.75486 19.4564 4 TENNESSEE 132.kV 6896.9 5.1 6469.9 5.2 5718.7 5.4 1.97918 10.8713 1.97918 10.8713 3.02845 17.6219 5 FIELDALE 132.kV 7412.4 7.6 7398.4 7.6 7377.7 7.6 1.54195 10.1652 1.54195 10.1652 1.548 10.3108 6 NEVADA 132.kV 8171.3 4.9 8031.7 5.1 7868.5 5.2 1.6031 9.18777 1.6031 9.18777 1.77773 10.2501 7 OHIO 132.kV 5030.4 3.7 5006.2 3.8 4973.1 3.8 3.97393 14.6195 3.97393 14.6195 4.07077 15.1359 8 REUSENS 132.kV 6386.2 5.9 6316.9 6.0 6220.1 6.1 1.97727 11.7687 1.97727 11.7687 2.06469 12.7234 10 NEW HAMPSHR 33.kV 14431.2 3.0 14333.1 3.5 13957.5 3.8 0.24962 1.29642 0.24962 1.29642 0.23076 1.43671 11 ROANOKE 13.8kV 53191.2 7.9 51460.7 8.2 48779.4 8.6 0.00191 0.14978 0.00191 0.14978 1.3E-36 0.19044 12 VERMONT 33.kV 16784.0 7.3 15800.3 7.3 13740.5 7.4 0.1447 1.1259 0.1447 1.1259 0.30652 1.86509 13 HANCOCK 13.8kV 54819.6 9.2 58034.5 9.3 59498.2 9.4 0.00439 0.14527 0.00439 0.14527 0. 0.11109 14 MONTANA 33.kV 7170.3 2.3 6825.6 2.4 6092.3 2.5 1.12657 2.4065 1.12657 2.4065 1.57235 3.75362 15 MINNESOTA 33.kV 13152.6 3.7 12453.1 3.7 11083.1 3.7 0.36222 1.40256 0.36222 1.40256 0.62901 2.17128 16 OREGON 33.kV 8732.3 3.0 8026.4 2.9 6061.5 2.8 0.65521 2.08115 0.65521 2.08115 1.8298 4.72912 17 WASHINGTON 33.kV 12090.4 3.0 11342.0 3.1 9485.2 3.1 0.40234 1.52361 0.40234 1.52361 0.89791 2.73322 18 MARYLAND 33.kV 3188.6 2.3 2927.2 2.3 2143.4 2.3 2.46859 5.4415 2.46859 5.4415 7.12968 12.8973 19 DELAWARE 33.kV 4290.7 2.4 3972.0 2.4 2987.4 2.4 1.75245 4.08004 1.75245 4.08004 4.92593 9.01506 20 KENTUCKY 33.kV 5186.5 2.5 4807.3 2.5 3682.0 2.5 1.35132 3.41588 1.35132 3.41588 3.65817 7.32892 21 IOWA 33.kV 10930.0 2.7 10650.9 2.8 10107.4 2.9 0.48912 1.67311 0.48912 1.67311 0.66613 2.06449 22 INDIANA 33.kV 10788.4 2.7 10561.8 2.8 10194.4 2.9 0.50691 1.69171 0.50691 1.69171 0.62438 1.97868 23 ILLINOIS 33.kV 7086.2 2.5 6937.9 2.5 6746.5 2.6 0.98811 2.50054 0.98811 2.50054 1.12558 2.88291 24 FLORIDA 33.kV 7855.9 2.4 7760.3 2.4 7644.6 2.5 0.92226 2.24305 0.92226 2.24305 0.99308 2.43143 25 COLORADO 33.kV 5009.4 2.9 4970.8 2.9 4894.2 2.9 1.33983 3.55956 1.33983 3.55956 1.47928 3.79385 26 CALIFORNIA 33.kV 2237.8 1.9 2227.5 1.9 2215.0 1.9 4.09593 7.46404 4.09593 7.46404 4.23388 7.68827 27 ARKANSAS 33.kV 5338.2 5.7 5306.4 5.5 5143.6 5.3 0.83789 3.46932 0.83789 3.46932 1.08659 3.82484 28 ARIZONA 132.kV 4604.4 4.2 4284.7 4.1 3571.5 4.0 3.73851 16.1237 3.73851 16.1237 8.06624 29.8521 29 HAWAII 33.kV 2717.0 2.9 2550.7 2.8 2036.2 2.6 2.68874 6.47644 2.68874 6.47644 6.68034 12.3955 30 ALASKA 33.kV 2514.7 2.8 2377.9 2.7 1878.0 2.5 3.14966 6.89067 3.14966 6.89067 8.20541 12.976 ============================================================================================================================ ==

A sample line-end/line-out fault summary is shown below (without the title page). The first line shows the FromBus number, name, nominal kV, the bus fault currents and the ANSI X/R ratios. The following lines show the fault type (line-Out or line-End fault), the branch ID (the To-Bus number, name and nominal kV, the circuit ID and branch type) -- which, together with the From-Bus, identifies the branch of the line-end or line-out condition, the branch currents at the From-Bus end and ANSI X/R ratios. The columns labeled “3LG”, “2LG” and “1LG” shows the fault current and ANSI X/R ratios for 3-phase, 2-line-to-ground and single-line-to-ground faults. ========================================================================================================================= _______FROM_BUS_____________ ____TO_BUS_________________ _3LG(A)_____X/R_ _2LG(A)_____X/R_ _1LG(A)_____X/R_ _BR_NAME___ 0 DOT BUS 13.8kV 52807.8 7.9 51072.8 8.2 48376.7 8.6 Out: 6 NEVADA 132. 1X 41422.7 10.0 41422.7 10.0 41422.7 10.0 Nev/NH/Rnk End: 6 NEVADA 132. 1X 5778.6 19.7 5778.6 10.0 0.0 14.6 Nev/NH/Rnk Out: 10 NEW HAMPSHR 33. 1X 41422.7 10.0 41422.7 10.0 41422.7 10.0 Nev/NH/Rnk End: 10 NEW HAMPSHR 33. 1X 7658.0 48.1 7658.0 13.0 0.0 21.4 Nev/NH/Rnk Out: 11 ROANOKE 13.8 W 11401.1 16.5 9873.7 16.5 0.0 -180.2 ROANOKE 1 GLEN LYN 132.kV 9070.3 7.5 8888.3 7.5 8662.2 7.5 Out: 3 TEXAS 132. 1L 8514.6 7.5 8351.3 7.5 8118.4 7.6 End: 3 TEXAS 132. 1L 1811.2 4.6 1804.9 4.6 1793.0 4.6 Out: 2 CLAYTOR 132. 2L 8294.5 7.4 8126.2 7.5 7888.3 7.6 Glen/Clay End: 2 CLAYTOR 132. 2L 3884.3 4.2 3663.1 4.1 3229.7 4.0 Glen/Clay

Batch Short Circuit Module V10

SECTION 1

INTRODUCTION • 5

Out: 2 CLAYTOR 132. 1L 8294.5 7.4 8126.2 7.5 7888.3 7.6 Glen/Clay End: 2 CLAYTOR 132. 1L 3884.3 4.2 3663.1 4.1 3229.7 4.0 Glen/Clay 132.kV 9327.4 6.6 9145.2 6.6 8893.6 6.6 Out: 6 NEVADA 132. 1L 8598.3 6.7 8369.6 6.7 8074.0 6.8 Clav/Nev End: 6 NEVADA 132. 1L 1856.3 3.5 1847.8 3.5 1831.3 3.5 Clav/Nev Out: 5 FIELDALE 132. 1L 8164.5 6.6 7966.9 6.6 7704.9 6.6 Clav/Fiel End: 5 FIELDALE 132. 1L 1701.7 4.6 1692.5 4.6 1681.1 4.6 Clav/Fiel Out: 4 TENNESSEE 132. 1L 8776.7 6.6 8666.3 6.5 8460.4 6.5 Clay/Tenn End: 4 TENNESSEE 132. 1L 1886.7 3.5 1866.1 4.1 1524.9 4.9 Clay/Tenn Out: 1 GLEN LYN 132. 2L 8648.6 6.2 8442.6 6.3 8191.5 6.3 Glen/Clay End: 1 GLEN LYN 132. 2L 3951.4 4.0 3719.4 3.9 3271.8 3.8 Glen/Clay Out: 1 GLEN LYN 132. 1L 8648.6 6.2 8442.6 6.3 8191.5 6.3 Glen/Clay End: 1 GLEN LYN 132. 1L 3951.4 4.0 3719.4 3.9 3271.8 3.8 Glen/Clay 3 TEXAS 132.kV 5154.5 4.5 4961.7 4.6 4629.7 4.7 Out: 4 TENNESSEE 132. 1L 1813.2 4.5 1806.8 4.6 1794.8 4.6 End: 4 TENNESSEE 132. 1L 1556.1 4.2 1551.6 4.2 1542.6 4.2 Out: 1 GLEN LYN 132. 1L 3907.5 4.0 3701.4 4.1 3260.4 4.3 End: 1 GLEN LYN 132. 1L 1446.6 4.1 1410.1 4.1 1348.9 4.2 ========================================================================================================================= 2 CLAYTOR

6 • SECTION 1

INTRODUCTION

Batch Short Circuit Module V10

Batch Short Circuit Module V10

SECTION 1

INTRODUCTION • 7

SECTION 2

INSTALLATION AND TUTORIAL

2.1 INSTALLING THE PROGRAM The Batch Short Circuit Module is installed during the installation of OneLiner. Please refer to a separate document entitled, Getting Started with ASPEN OneLiner and Power Flow, for installation instructions. An on-line version of this document is available under the Getting Started icon.

2.2 STARTING THE PROGRAM On the Windows desktop, look for a program group called ASPEN V10 or OneLiner Working Model. Inside the program group are a number of program icons that look like this:

Start Up the Batch Short Circuit Module: 1.

Double click on the Batch Short Circuit Module icon to start the program. When the Batch Short Circuit Module starts up, you will see a window that looks like this.

8 • SECTION 2

INSTALLATION AND TUTORIAL

Batch Short Circuit Module V10

2.3 FILES The input data files for the Batch Short Circuit Module include: •

Binary data files with .OLR extension: These are binary files created by ASPEN OneLiner that contain both the system parameters and the graphical and relay information.



Text data files with .DXT extension: These are text files that contain only the system parameters. The text data file format is described in Section 5 of the ASPEN OneLiner User’s Manual or the OneLiner on-line help.



Command files with .CMD extension: These are text files that specify the names of the data file and output file, output options, and a series of faults. You can generate a command file from within the Batch Short Circuit Module.

The Batch Short Circuit Module generates the following files: •

Message file ASPEN.MSG: This file is created when you import a text data file. It will contain a list of errors in the text data file if you were unsuccessful in importing the file. Otherwise, it will be empty.



Output file with .OUT extension: The output file contains the short circuit solutions in the traditional text form. Please refer to commands under the Faults Menu.



Report file with .REP extension: The report file contains a report of the network data in the traditional text form. Please refer to the Network | Report command.



Command files with .CMD extension: You can create a command file using the File | New Command File command. The command file specifies the data and output files, output options, and a series of faults. Please refer to the Command Editor Window commands.



Temporary files with .TMP extension and names that begin with ~1L: The Batch Short Circuit Module creates three temporary files in either the root directory or in the directory specified by the TEMP environment variable. The Batch Short Circuit Module deletes the temporary files automatically at the end of each session. In the event the program bombs out before the end of a session, these temporary files may be left behind on the disk. If you find any of these temporary files in the directory when the Batch Short Circuit Module is not running, you should remove them. DO NOT delete these files while the program is running.

2.4 QUICK TUTORIAL This tutorial has been moved to Section 2 of the OneLiner User's Manual.

Batch Short Circuit Module V10

SECTION 2

INSTALLATION AND TUTORIAL • 9

SECTION 3

COMMAND REFERENCE

3.1 INTRODUCTION This section documents the commands in the Main Window, Command Editor Window and Output File Window.

Main Window Commands The commands in the Main Window are described in section 3.2.

Command Editor Window Commands The commands in the Command Editor Window are described in section 3.3

Output File Window Commands The commands in the Output File Window are described in section 3.4

Batch Short Circuit Module V10

SECTION 3

COMMAND REFERENCE • 11

3.2 MAIN WINDOW COMMANDS The Main Window is initially gray when the program begins execution. After a data file has been selected using the File | Open .OLR or .DXT File command, the Main window will display a progress report as the file is being read in and processed. When this is finished, the file name will appear in the Main Window caption bar and the program will be ready for your commands. The commands in the Main Window are described in this section.

12 • SECTION 3

COMMAND REFERENCE

Batch Short Circuit Module V10

Main Window FILE MENU OPEN .OLR OR .DXT FILE COMMAND This command is used to open a binary data file created by ASPEN OneLiner or a text data file of the ASPEN format. (See Section 5 in the OneLiner Help file located in the ASPEN OneLiner program group for more information on the text file format.) TO OPEN A FILE: 1.

Select the File | Open .OLR or .DXT File command. A dialog box will appear asking you for the name of the data file that you want to open.

2.

Use the controls in the standard file dialog box to specify the name of the data file. Click on the "OK" button. The dialog box will disappear and the Main Window will report the progress of reading and processing the file. Note: If a data file or command file is currently open, the program will close it first before opening the file you selected. Error messages will be displayed on the screen if text data errors are found. The same messages will be written to a file "batchsc.msg" in the current directory. You must exit the Batch Short Circuit Module to correct errors in the text data file. If no errors are found, the word "Ready" will appear in the window indicating that the Batch Short Circuit Module is ready for your next command. At this point, you can edit the command file or simulate the faults specified in the command file.

Batch Short Circuit Module V10

SECTION 3

COMMAND REFERENCE • 13

Main Window FILE MENU VIEW OUTPUT FILE COMMAND This command lets you open the Output File Window. This allows you to view the contents of an output file created by the Batch Short Circuit Module. TO OPEN AN OUTPUT FILE FOR VIEWING: 1.

Select the File | View Output File command. A dialog box will appear. Note: This command can be used at any time. It is not necessary to first open a data file for processing.

2.

Use the controls in the standard file dialog box to specify the name of the output file. Click on "OK". The dialog box will disappear and the Output File Window will appear displaying the title page of the file. Please refer to Section 3.4 for a description of the commands in this window.

14 • SECTION 3

COMMAND REFERENCE

Batch Short Circuit Module V10

Main Window FILE MENU NEW COMMAND FILE COMMAND This command lets you create a new command file from scratch. When you execute this command, the program will ask you to specify the command file name, output file name and other options. The new command file will use the data file that is currently open as input. TO CREATE A COMMAND FILE: 1.

Select the File | New Command File command. Note: This menu item is dimmed if a data file is not currently open. A dialog box will appear asking you for the name of the new command file.

2.

Use the controls in the standard file dialog box to specify the name of the command file. Click on "OK". You should name all your command files with the .CMD extension. The dialog box will disappear. Another dialog box will appear asking you for the name of the output file.

3.

Use the controls in the standard file dialog box to specify the name of the output file. Click on "OK". The dialog box will disappear. Another dialog box will appear asking you for the output style and network options.

4.

Enter the title in 'Title'. The title will appear on the top of the first page and can have up to 60 characters.

5.

Click on 'Per unit output' to have the voltages and currents printed out in per unit. If this selection is not chosen, the voltages will be in kV ( line-to-ground) and the currents in amperes.

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6.

Enter the page size in 'Lines per page'. Printers vary in the number of lines of text they can fit on a page. This value is set initially to 60.

7.

Select which generator impedance to use for the positive -sequence model for short circuit studies.

8.

Select the pre-fault voltage profile. Click on: Flat bus voltages: To set all pre-fault bus voltages to 1.0+j0 per unit. From a linear network solution: To compute the positive-sequence pre-fault voltages with a dc load flow in which each generator is modeled by a voltage source in series with the generator impedance. From a power flow solution: To use a true power flow solution as the pre-fault voltage profile. To use this option, you must first solve the power flow within the ASPEN Power Flow Program and save the case within the .OLR file. Note: The 'Power flow solution' is dimmed if there is no power flow solution in the binary data file.

9.

Click on 'Ignore phase shift' to ignore the phase shift of wye-delta transformers and phase shifters.

10. Click on 'Ignore loads' to ignore all the loads. 11. Click on 'Ignore transmission line G+jB' to ignore all the shunt admittances of transmission lines. Note: The options listed in steps 8, 9 and 10 are used mainly for checking the results of Batch Short Circuit Module against other short circuit programs that do not model phase shifts, loads or shunt admittances of transmission lines. 12. Click on 'Make all out-of-service equipment active' to put into service all the equipment that had been taken out of service. 13. Click on 'Fault tap buses' to apply the fault to the tap buses. 14. Click on "OK". The Command File Option dialog box will disappear and the Command Editor Window appear displaying the names of both the data and output files and the network options. You are now ready to specify the faults in the command file.

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Main Window FILE MENU OPEN COMMAND FILE COMMAND This command lets you open an existing command file for editing. When you execute this command, the program will also open the data file specified within the command file. TO OPEN A COMMAND FILE: 1.

Select the File | Open Command File command. A dialog box will appear asking you for the name of the command file that you want to open.

2.

Use the controls in the standard file dialog box to specify the name of the command file, then click on "OK". The dialog box will disappear and the Command Editor Window will display the contents of the command file. If a data file is currently open and it is different from that one specified in the command file, the program will close the current data file, and then the Main Window will display the report on the progress of reading and processing the selected data file. If text data errors are found, error messages will be displayed on the Main Window. The same messages will be written to a file entitled "ASPEN.MSG" in the current directory. You must exit the Batch Short Circuit Module to correct errors in the text data file. If no errors are found, the word "Ready" will appear in the Main Window indicating that the Batch Short Circuit Module is ready for your next command. At this point, you can edit the command file or simulate the faults specified in the command file.

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Main Window FILE MENU SELECT PRINTER COMMAND This command allows you to select and set up your printer. 1.

Select the File | Select Printer command. You should follow the procedure in your Microsoft Windows manual to configure your printer.

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Main Window FILE MENU CLOSE COMMAND This command allows you to close the current data file you are working with and not exit the Batch Short Circuit Module. TO CLOSE THE CURRENT DATA FILE: 1.

Select the File | Close command. The current data file closes and the gray background displaying ASPEN will be shown on the Main Window. You may now open another data file if so required.

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Main Window FILE MENU EXIT COMMAND This command lets you shut down the Batch Short Circuit Module. TO EXIT THE BATCH SHROT CIRCUIT MODULE: 1.

Select the File | Exit command. The Batch Short Circuit Module will shut down and its window will disappear.

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Main Window VIEW MENU CLEAR COMMAND This command lets you clear the contents of the Main Window within the Batch Short Circuit Module. TO CLEAR THE SCREEN: 1.

Select the File | Clear command. The Main Window will be redrawn to show a blank screen.

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Main Window VIEW MENU SELECT ALL COMMAND This command lets you select all the text in the TTY Window. TO SELECT ALL OF THE TEXT IN THE TTY WINDOW: 1.

Select the View | Select All command. All the text in TTY Window will become highlighted.

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Main Window VIEW MENU PRINT SELECTED TEXT COMMAND This command lets you print the text that you have selected. You must select one or more lines of text before issuing this command. TO PRINT SELECTED TEXT: 1.

Select the text that you want to print. The selected text will become highlighted.

2.

Select the View | Print Selected Text command. Note: This command is dimmed and cannot be activated if no text has been selected. A dialog box will appear asking you to specify the font. For best effects, you should select a fixed-pitch font, such as “Courier”, “Courier New” or “LinePrinter”.

3.

Use the controls in the standard font-selection dialog box to select the font you want for printing. Click on "OK". The dialog box will disappear and printing will begin.

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Main Window VIEW MENU SAVE SELECTED TEXT COMMAND This command lets you save the text that you have selected to a file. You must select one or more lines of text before issuing this command. TO SAVE SELECTED TEXT TO A FILE: 1.

Select the text that you want to print. The selected text will become highlighted.

2.

Select the View | Save Selected Text command. Note: This command is dimmed and cannot be activated if no text has been selected. A dialog box will appear asking you to specify the name of the output file.

3.

Use the controls in the standard file dialog box to specify the output file name. It is recommended that you name all your output report files with the .REP extension.

4.

Click on "OK". The dialog box will disappear and the selected text will be written to the file.

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Main Window VIEW MENU COPY SELECTED TEXT TO CLIPBOARD COMMAND This command lets you copy text that you have selected to the clipboard. It is designed to help you transfer text to other Windows programs, such as text editors or word processors. Yo u must select one or more lines of text before issuing this command. TO COPY SELECTED TEXT TO CLIPBOARD: 1.

Select the text that you want to print. The selected text will become highlighted.

2.

Select the View | Copy Selected Text to Clipboard command. Note: This command is dimmed and cannot be activated if no text has been selected. The selected text will be copied to the clipboard.

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Main Window VIEW MENU FONT COMMAND This command lets you choose the font, font style, and size of the text displayed in the TTY Window. TO SELECT THE FONT USED IN THE TTY WINDOW: 1.

Select the View | Select Font command. A dialog box will appear asking you to specify the font.

2.

Use the controls in the standard font-selection dialog box to select the font, font style and size you want. Click on "OK". The dialog box will disappear and the Batch Short Circuit Module will use the selected font to display the text in TTY Window.

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Main Window NETWORK MENU STATISTICS COMMAND This command will show you the system statistics such as the number of buses, lines, etc. TO VIEW THE SYSTEM STATISTICS: 1.

Select the Network | Statistics command. A dialog box will appear displaying the system statistics. These include the total number of buses, lines, transformers, etc.

2.

Click on "OK" to close the 'System Statistics' dialog box.

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Main Window NETWORK MENU OUTAGE LIST COMMAND This command displays a listing of all out of service equipment. TO OBTAIN AN OUTAGE LIST: 1.

Select the Network | Outage List command. A listing of all the out of service equipment will appear in the Main Window. The word "None" will appear if no equipment are out of service.

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Main Window FAULTS MENU SPECIFY FAULTS COMMAND This command lets you specify the faults to be simulated and the output options. The program will automatically simulate the faults and write the output to a file. TO SPECIFY FAULTS: 1.

Select the Faults | Specify Faults command. A dialog box will appear asking you to specify the faults.

2.

Select the fault type. Click on one or more of the following: Bus Fault:

To apply a fault at the bus.

Line-end fault: To apply a fault at the far end of each of the branches incident on the bus with the far end of each bus disconnected. Line-out fault: To apply a fault at the bus with each of the nearby branches taken out of service one at a time. The nearby branches are those within the tier limit you specify. Enter in a tier limit in 'Tier Limit'. When the tier limit is 1, only the branches incident on the bus will be taken out of service. Note: The selected fault types will be applied to the buses that satisfy the criteria listed in step #5. 3.

Select the phase connection. Click on one or more of the following: 3LG: 2LG: 1LG: L-L:

3 phase to ground. 2 phase to ground. 1 phase to ground. Line to line.

The phase connections you select will be applied to all of the fault options chosen in step #2.

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4.

Enter in the fault impedance in 'Fault Z (ohm)'. The fault impedance, Z, defined in the above figure is set initially to zero ohms.

5.

Select the buses to be faulted. Click on: All buses:

To apply the selected fault types to all buses in the system.

Buses in area: And enter an area number in the edit box to apply the selected faults to all buses in an area. The buses in the system or in the area are further limited by the bus-number, nominal-kV and bus name limits. Enter further constraints on which buses to fault in the following edit boxes. Bus numbers from: This will limit the buses faulted within the range entered. Bus kVs from: This will limit the buses faulted within the range entered. Names from: This will limit the buses faulted within the range entered. Note: The sorting order is ASCII in which all upper case letters precede all lower case letters. 6.

Click on 'Show bus list' to view a list of selected buses. A dialog box will appear displaying a list of all the buses that satisfy the selection criteria that you have specified. The number of buses selected appears at the top of the dialog box.

7.

Click on 'Make all out-of-service equipment active' to put into service all of the equipment that had been taken out of service.

8.

Click on 'Fault tap buses' to fault tap buses.

9.

Click on ‘List out-of-service equipment’ to report on all the out-of-service equipment at the beginning of the report file.

10. Click on "OK". Another dialog box will appear, asking you to specify the output parameters.

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10. Enter the number of lines per page in 'Lines Per Page'. Printers vary in the number of lines of text they can fit on a page. This value is set initially to 60. 11. Enter the Number of Tiers in 'Number of Tiers'. The tier limit can be any integer greater than, or equal to, -1. The coverage for several tier limits is as follows: -1: The fault summary and the output for the additional buses will be shown. 0: The fault summary and the output for the faulted bus and additional buses will be shown. 1: The fault summary and the output for all the buses within 1 tier away from the fault or additional buses will be shown. 12. Click on 'Show tap bus results' to include tap-bus results in the output. 13. Click on 'Additional Output Buses' to select additional buses for the output. A dialog box will appear asking you to select the additional buses from the list box.

The total number of selected additional buses will be shown above the list box. The output file will contain the fault summary and outputs for all the buses within the Number of tiers of the fault or additional buses. The fault summary

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will include the total fault current, Thevenin impedance and X/R ratios. The output for a bus will include the voltage and currents from the bus. 14. Select the carriage control. Click on: PC:

If the file will be sent to a printer that expects the PC escape control characters.

FORTRAN: If the file will be sent to a printer that expects FORTRAN control characters in the first column of each line, e.g., blank for line feed, 1 for new page. 15. Select the output units. Click on: Per unit:

To have the voltages and currents shown in per unit.

Amps and KV: To have the currents shown in amperes and the voltages shown in kilovolts (line-to-ground). 16. Select the output sorting methods. Click on: Bus Name:

To have the output sorted by bus names.

Bus Number: To have the output sorted by bus numbers. 17. Enter the heading for page 1 of the output in the 'Page 1 Heading' edit box. 18. Click on "Write to New File" to create a new output file or to overwrite an existing file. The Output Style dialog box will be replaced by the Save to File dialog box. Use the controls in the standard file dialog box to specify the name of the output file. Click on "OK". You should name all your output files with the .OUT extension. 19. Click on "Append to File" to append the output to an existing output file. The Output Style dialog box will be replaced by the Append to File dialog box. Use the controls in the standard file dialog box to specify the name of the output file. Click on "OK". Once the Batch Short Circuit Module accepts the file name, the Fault Specification dialog box will be replaced by another dialog box showing the program's progress.

The number above the top bar, in this case 58, indicates the total number of faults being simulated. The top bar and the number to its right, in this case 24, indicate the number of faults that have been simulated. The progress of the fault simulations for ANSI X/R ratio is indicated by the second (X-only case) or third bar (R-only case).

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The last bar shows the progress of the output phase. The number to its right indicates the number of faults that have been written to the output file. Click on "Cancel" at any time to stop the simulation or the format and output of the results. When everything is done, the Batch Progress dialog box will disappear. The format of the solution output is explained in Section 8 in the ASPEN OneLiner User’s Manual and in the OneLiner’s On-Line Help. You can view the output file using the File | View Output File command in the Batch Short Circuit Module.

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Main Window FAULTS MENU BUS-FAULT SUMMARY COMMAND This command simulates 3-phase, 2-line-to-ground and single-line-to-ground faults at selected buses, and then outputs a concise, tabular summary of fault currents, X/R ratios, and Thevenin impedances. The output can be written an Excel file or to a text report file. TO SPECIFY A BUS-FAULT SUMMARY: 1.

Select the Fault | Bus-Fault Summary command. A dialog box will appear asking you to specify the fault buses.

2.

Select the buses to be faulted. Click on: All buses:

To apply faults to all buses in the system.

Buses in area: And enter an area number in the edit box to apply faults to all buses in an area. The buses in the system or in the area are further limited by the bus-number, nominal-kV and bus name limits. Enter further constraints on which buses to fault in the following edit boxes. Bus numbers from: This will limit the buses faulted within the range entered. Bus kVs from: This will limit the buses faulted within the range entered. Names from: This will limit the buses faulted within the range entered. Note: The sorting order is ASCII in which all upper case letters precede all lower case letters. 3.

Click on 'Show bus list' to view a list of selected buses. A dialog box will appear displaying a list of all the buses that satisfy the selection criteria that you have specified. The number of selected buses appears at the top of the dialog box.

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4.

Click on 'Make all out-of-service equipment active' to put into service all of the equipment that had been taken out of service.

5.

Click on 'Fault tap buses' to apply single- and 3-phase faults to tap buses.

6.

Click on ‘List out-of-service equipment’ to report on all the out-of-service equipment at the beginning of the report file.

7.

Enter in the fault impedance in 'Fault Z (ohm)'. The fault impedance, Z, is set initially to zero ohms.

8.

Select the output units. Click on: Per unit:

To have the voltages and currents shown in per unit.

Amps and KV: To have the currents shown in amperes and the voltages shown in kilovolts (line-to-ground). 9.

Select the output sorting methods. Click on: Bus Name:

To have the output sorted by bus names.

Bus Number: To have the output sorted by bus numbers. 10. Select output file type. Click on: Text report: To have the output written to a text file with OUT extension. CSV file: To have the output written an Excel file with CSV extension. 11. Click on "OK". Another dialog box will appear, asking you to enter the output file name. Use the controls in the standard file dialog box to specify the name of the output file, and then click on "OK". Once the Batch Short Circuit Module accepts the file name, the above two dialog boxes will be replaced by another dialog box showing the program's progress.

When the simulations have been completed and the output is written, the Batch Progress dialog box will disappear.

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A sample bus fault summary is shown Section 1.2.

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Main Window FAULTS MENU LINE-END/OUT FAULT SUMMARY COMMAND This command compiles a summary of bus faults, line-end faults and line-out faults, plus their ANSI X/R ratios, in a tabular form. The output is designed for breaker-rating studies. TO SPECIFY LINE-END/OUT FAULT SUMMARY: 1.

Select the Fault | Line-End/Out Fault Summary command. A dialog box will appear asking you to specify the faults.

2.

Select the fault type. Click on one or more of the following: Line-end fault: To apply a fault at the far end of each of the branches incident on the bus with the far end of the branch disconnected. If the branch is a line, the breaker current is equal to the fault current. If the branch is a transformer, the breaker current shown in the report is not equal to the fault current. Line-out fault: A fault at the bus with each of the branches incident on the bus taken out of service one at a time. For breaker-rating studies, this fault is equivalent to the fault at the front of the breaker with the far end of the branch disconnected. The breaker current is always equal to the fault current. Note: The bus fault is always selected.

3.

Select the buses to be faulted. Click on: All buses:

To apply selected faults to all buses in the system.

Buses in area: And enter an area number in the edit box to apply selected faults to all buses in an area. The buses in the system or in the area are further limited by the bus-number, nominal-kV and bus name limits. Enter further constraints on which buses to fault in the following edit boxes. Bus numbers from: This will limit the buses faulted within the range entered.

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Bus kVs from: This will limit the buses faulted within the range entered. Names from: This will limit the buses faulted within the range entered. Note: The sorting order is ASCII in which all upper case letters precede all lower case letters. 4.

Click on 'Show bus list' to view a list of selected buses. A dialog box will appear displaying a list of all the buses that satisfy the selection criteria that you have specified. The number of selected buses appears at the top of the dialog box.

5.

Click on 'Make all out-of-service equipment active' to put into service all of the equipment that had been taken out of service.

6.

Click on 'Fault tap buses' to apply faults to the tap buses.

7.

Click on ‘List out-of-service equipment’ to report on all the out-of-service equipment at the beginning of the report file.

8.

Enter in the fault impedance in 'Fault Z (ohm)'. The fault impedance, Z, is set initially to zero ohms.

9.

Select the output sorting methods. Click on: Bus Name:

To have the output sorted by bus names.

Bus Number: To have the output sorted by bus numbers. 10. Select the output units. Click on: Per unit:

To have the voltages and currents shown in per unit.

Amps and KV: To have the currents shown in amperes and the voltages shown in kilovolts (line-to-ground). 11. Select output file type. Click on: Text report: To have the output written to a text file with OUT extension. CSV file: To have the output written an Excel file with CSV extension. 12. Click on "OK". Another dialog box will appear, asking you to enter the output file name. Use the controls in the standard file dialog box to specify the name of the output file, and then click on "OK".

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Once the Batch Short Circuit Module accepts the file name, the above two dialog boxes will be replaced by another dialog box showing the program's progress.

When the simulations have been completed and the output is written, the Batch Progress dialog box will disappear. A sample line-end/out fault summary is shown in section 1-2.

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Main Window FAULTS MENU X/R RATIO PARAMETERS COMMAND The options and parameters you specify here will affect the ANSI X/R ratio calculations. The computation of ANSI X/R ratios according to the ANSI/IEEE standard C37 requires a reactance (X)-only simulation and a resistance (R)only simulation. The R-only simulation requires a non-zero resistance for each of the network elements. The X-only simulation likewise requires a non-zero reactance for each of the network elements. During the X-only simulation, when the reactance of a network element is zero, the program substitutes a non-zero value which you can specify in this command. During the R-only simulation, w the resistance of a network element is zero, you can direct the program to use a fixed per-unit resistance value, or to compute the resistance based on typical X/R ratios. The program will store the values and options in your Windows registry. TO CHANGE THE X/R RATIO PARAMETERS: 1.

Select the Breaker Rating | X/R Ratio Parameters command. A dialog box will appear asking for the X/R ratio parameters to be used in case of zero resistance or reactance.

2.

Input the reactance to be used in the X-only calculation when the reactance of a network element is zero. The reactance you enter is in per unit. The default is 0.0001.

3.

Input the resistance to be used in the R-only calculation when the resistance of a network element is zero. Select one of three methods: Method 1

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The resistance is computed from the reactance X using a set of typical X/R ratios. The calculated resistance is set to the value Rc if it is too small. Click on Method 1. Then enter Rc, the lower limit for the calculated resistance, and the typical X/R ratios in the four edit boxes near the bottom. The default X/R is 125 for generators, 60 for transformers, and 10 for lines and phase shifters.

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4.

Method 2

The resistance is set to a fixed value, Rc. Click on Method 2, then enter Rc in the edit box below. The default value for Rc is 0.0001 per unit.

Method 3

The resistance is computed from the reactance X, using a set of typical X/R ratios. The calculated resistance is set to the value Rc if it is larger than Rc. Click on Method 3. Then enter Rc, the upper limit for the calculated resistance, and the typical X/R ratios in the four edit boxes near the bottom. The default X/R are 125 for generators, 60 for transformers, and 10 for lines and phase shifters.

Click on "OK" to close the dialog box. The values selected will be used to calculate the X/R ratio.

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Main Window FAULTS MENU OPTIONS COMMAND This command will allow you to change certain parameters that affect simulation of faults. TO SET FAULT SIMULATION OPTIONS: 1.

Select the Faults | Options command. A dialog box will appear.

2.

Select the pre-fault voltage profile. Click on: Flat bus voltages: To set all pre-fault bus voltages to fixed value, which you can enter in the edit box below, in per unit. From a linear network solution: To compute the positive-sequence pre-fault voltages with a dc load flow in which each generator is modeled by a voltage source in series with the generator impedance. You can adjust the magnitude and angle of the open-circuit voltage in the generator dialog box in OneLiner. From a power flow solution: To use a true power flow solution as the pre-fault voltage profile. To use this option, you must first solve the power flow within the ASPEN Power Flow Program and save the case within the .OLR file. Note: The 'Power flow solution' is dimmed if there is no power flow solution in the binary data file.

3.

Click on "Phase Shift" to ignore the phase shifts of wye-delta transformers and phase shifters.

4.

Click on "Loads" to ignore all the loads. This option cannot be used for a power-flow-solution start.

5.

Click on 'Transmission line G+jB' to ignore all transmission line shunt admittances.

6.

Click on ‘Shunts with + seq impedance’ to ignore all switched shunts and static shunts with a non-zero positive-sequence admittance. Note: The options listed in steps 3,4,5 and 5 are used mainly for checking the results of Batch Short Circuit Module against other short circuit programs that do not model phase shifts, loads or shunt admittances of transmission lines.

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7.

Select which generator impedance to use for the positive -sequence model for short circuit studies.

3.3 COMMAND EDITOR WINDOW COMMANDS The Command Editor Window displays the contents of the command file at all times. You can open this window using either the (1) File | New Command File command or the (2) File | Open Command File command in the Main Window. The command file is useful for memorizing a series of frequently executed faults. It contains the file names, network options, output options and faults to be simulated. As you specify the fault and output options, the commands appear as new lines on the window. The Command Editor Window is also a full-featured text editor. At any time, you can add, delete or modify any of the items on the screen. The commands in the Command Editor Window are described in this section.

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Command Editor Window FILE MENU SAVE COMMAND The Save command saves the current command file to the disk under the current file name. The contents of the old command file are overwritten by the new information. It is wise to periodically save the file you are editing to guard against information being lost in the event of a program or system failure. TO SAVE A COMMAND FILE: 1.

Select the File | Save command. The contents of command file will be saved to the disk.

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Command Editor Window FILE MENU SAVE AS COMMAND The Save As command saves the current command file to disk under a different file name. The original command file is not altered or saved. After you execute this command, the command file is saved to this new file whenever the Save command is used. TO SAVE THE COMMAND FILE UNDER A NEW NAME: 1.

Select the File | Save As command. A dialog box will appear asking you to specify the name of the command file.

2.

Use the controls in the standard file dialog box to specify the name of the command file, then click on "OK". You should name all your command files with the .CMD extension. The new file name will appear in the caption bar of the Command Editor Window.

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Command Editor Window FILE MENU PRINT COMMAND This command prints the contents of the Command Editor Window using the current printer. TO PRINT THE COMMAND FILE 1.

Select the File | Print command. A dialog box will appear asking you to select the desired font you would like to use when printing the contents of the Command Editor Window.

2.

Select the appropriate font, font style and size.

3.

Click on "OK". The 'Font' dialog box will be replaced by a dialog box with the words 'Printing in progress". Printing is completed when this dialog box disappears.

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Command Editor Window FILE MENU CLOSE COMMAND This command lets you close the command file and the Command Editor Window. TO CLOSE THE OUTPUT COMMAND EDITOR WINDOW: 1.

Select the File | Close command. The program will close the command file and the Command Editor Window will disappear. You will be back in the Main Window of the Batch Short Circuit Module.

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Command Editor Window EDIT MENU EDIT COMMANDS The Command Editor Window is a text editor. You can modify the contents of the window at any time using the keyboard and the mouse. The commands under this menu should be self-explanatory.

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Command Editor Window SEARCH MENU SEARCH COMMANDS The Command Editor Window is a text editor. The commands under this menu help you edit the command file and should be self-explanatory.

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Command Editor Window SPECIFY MENU ALL BUS FAULTS COMMAND This command lets you apply faults to all buses in the system or an area. TO APPLY FAULTS TO BUSES: 1.

Select the Specify | All Bus Faults command. The Fault All Buses dialog box will appear.

2.

Select the fault type. Click on one or more of the following: Bus Fault:

To apply a fault at the bus.

Line-end fault: To apply a fault at the far end of each of the branches incident on the bus with the far end of the branch disconnected. Line-out fault: To apply a fault at the bus with each of the branches incident on the bus taken out of service one at a time. Note: The selected fault types will be applied to all the buses (including the tap buses). 3.

Enter an area number in 'Bus Area' to apply faults to all buses in an area.

4.

Select one or more phase connections. 3LG: 2LG: 1LG: L-L:

3 phase to ground 2 phase to ground Single phase to ground Line to line

The phase connections you select will be used for the bus faults, line-end faults and line-out faults. 5.

Enter the fault impedance in 'Fault Z (ohm)'.

6.

Click on "OK". The dialog box will disappear and the options selected in the 'Fault All Buses' command in ASPEN format will be appended to the command file.

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Command Editor Window SPECIFY MENU BUS, LINE-END, LINE-OUT FAULTS COMMAND This command lets you specify bus faults, line-end and line-out faults. TO APPLY BUS FAULTS, LINE-END AND LINE-OUT FAULTS: 1.

Select the Specify | Bus, LineEnd, LineOut Faults command. A dialog box will appear asking you to specify the bus, type, phase connection and impedance of the fault.

2.

Select one of the buses in the 'Bus to be faulted' list box. The list box labeled “Bus to be faulted” contains all the buses in the system, including tap buses.

3.

Specify the fault type, phase connections, and impedance as described previously in steps 2, 4 and 5 for the Specify | All Buses Faults command.

4.

Click on "OK". The dialog box will disappear and the fault specification will be appended to the command file. You can specify a series of similar commands by repeating this procedure.

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Command Editor Window SPECIFY MENU INTERMEDIATE FAULTS COMMAND This command lets you apply faults to the middle of a transmission line. TO APPLY INTERMEDIATE FAULTS TO A LINE: 1.

Select the Specify | Intermediate Faults command. A dialog box will appear asking you to specify the line, phase connection and impedance of the fault.

The list box labeled “From Bus” contains all the buses in the system, including tap buses. 2.

Select the transmission line to be faulted. Each line is identified by two buses, a 'From Bus' and a 'To Bus'. The order you specify these buses is important because 0.0% is at the 'From Bus' and 100% is at the 'To Bus'. Click on the name of the 'From Bus' in the list box on the left. The bus name will be highlighted and all 'To Buses' incident on the 'From Bus' will appear in the list box on the right. Also included in the right list box are the circuit ID and the branch type ( ‘L’ for transmission line). Click on the name of the 'To Bus' in the list box on the right. The 'To Bus' name will become highlighted.

3.

Select one or more phase connections. 3LG: 2LG: 1LG: L-L:

4.

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3 phase to ground 2 phase to ground Single phase to ground Line to line

Enter the fault impedance in 'Fault Z (ohm)'.

COMMAND REFERENCE

Batch Short Circuit Module V10

5.

Specify the location of the fault. To simulate an intermediate fault on a single position on the line, enter the location of the fault as a percentage of the distance between the near-end and far-end of the line in '%'. Intermediate faults must have a location percentage in the range 0.01 to 99.99. Zero percent is defined to be at the near-end bus of the line. One-hundred percent is defined to be at the far-end bus. If the line has intermediate tap buses, the percentage is for the entire line.

6.

Click on "OK". The dialog box will disappear and the fault specification will be appended to the command file. You can specify a series of similar commands by repeating this procedure.

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Command Editor Window SPECIFY MENU OUTPUT COMMAND This command lets you specify the output coverage. You may change the output coverage before each fault command. TO SPECIFY THE OUTPUT COVERAGE: 1.

Select the Specify | Outputs command. The Output Specification dialog box will appear asking you to specify (1) the number of tiers, and (2) additional buses for output.

The output file will contain the fault summary and outputs for all the buses within the number of tiers of the fault or additional buses, plus additional buses you specify. 2.

Enter the number of tiers in 'No. of Tiers'. The tier limit can be any integer greater than, or equal to, -1. The coverage for several tier limits is as follows: -1: The fault summary and the output for the additional buses will be shown. 0: The fault summary and the output for the faulted bus and additional buses will be shown. 1: The fault summary and the output for all the buses within 1 tier away from the fault or additional buses will be shown.

3.

Click on the bus names in the list box to select additional buses.

4.

Click on "OK". The dialog box will disappear and the output specifications will be appended to the command file. Note: The output specification will be applied to the fault commands thereafter.

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Command Editor Window RUN MENU COMMANDS COMMAND This command simulates the faults specified in the Command Editor Window and writes the fault solutions to a text (.OUT) file. You must first open or create a command file before executing this command. TO RUN A COMMAND FILE: 1.

Select the Run | Commands command. A dialog box will appear showing the program's progress.

The number above the top bar, in this case 804, indicates the number of faults being simulated for each fault command. The top bar and the number to its right, in this case 396, indicate the number of faults that have been simulated for the fault command. The progress of the fault simulations for ANSI X/R ratio is indicated by the second (X-only case) or third bar (R-only case). The last bar shows the progress of the output phase. The number to its right indicates the number of faults that have been written to the output file. Click on "Cancel" at any time to stop the simulation or the format and output of the results. When everything is done, the Batch Progress dialog box will disappear. The format of the solution output is explained in Section 8 in the ASPEN OneLiner User’s Manual and in the OneLiner’s On-Line Help. You can view the output file using the File | View Output File command in the Batch Short Circuit Module. You can view the fault solutions in the output file using the File | View Output File command in the Main Window.

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3.4 OUTPUT FILE WINDOW COMMANDS The Output File Window displays the contents of output files created by the Batch Short Circuit Module. You can open this window through the File | View Output File command in the Main Window. Once you have opened an output file, the Output Window will show either the title page or the results of one of the fault simulations. You can view different fault solutions by using the Prev, Next and Index commands. The scroll bars let you browse through the title page or the fault output case being dis played. The output file format is explained in Section 8 of the OneLiner Help file located in the ASPEN OneLiner program group. The Output Window has two commands to help you send the output to the printer. The “Print This Case” command prints the results of a single fault solution; the “Print All” command prints the entire output file. The commands in the Output File Window are described in this section. Note: The Output Window utilizes a buffer of a fixed size. If the output exceeds the size of the buffer, the excess is ignored.

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Output File Window FILE MENU OPEN OUTPUT FILE COMMAND You select the first output file for viewing by executing the File | View Output File command in the Main Window. This command in the Output File Window lets you open another output file for viewing. TO OPEN ANOTHER OUTPUT FILE: 1.

Select the File | Open Output File command. A dialog box will appear. Use the controls in the standard file dialog box to specify the name of the output file, and then click on "OK". The dialog box will disappear and the title page will be displayed in the window.

The vertical scroll bar helps you browse through the contents of the title page only. You must use the Prev, Next and Index commands to select different cases for viewing.

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Output File Window FILE MENU CLOSE WINDOW COMMAND This command lets you close the Output File Window. TO CLOSE THE OUTPUT FILE WINDOW: 1.

Select the File | Close Window command. The Output File Window will disappear and you will be back in the Main Window of the Batch Short Circuit Module.

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Output File Window FILE MENU SAVE THIS CASE COMMAND This command lets you save the case currently displayed in the Output File Window to a file. TO SAVE THE CURRENT CASE TO A FILE: 1.

Select the File | Save This Case command. A dialog box will appear asking you to enter the name of the output file. Use the controls in the standard file dialog box to specify the name of the text file, and then click on "OK". You should name all your output files with the .OUT extension. The dialog box will disappear and the selected text will be written to the file.

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Output File Window FILE MENU PRINT THIS CASE COMMAND This command lets you print the case currently displayed in the Output File Window. TO PRINT THE CURRENT CASE: 1.

Select the File | Print This Case command. A dialog box will appear asking you to select the font.

2.

Use the controls in the standard font selection dialog box to select the font, font style and size you want. Click on “OK”. You should choose a font style and a font size that will accommodate the width of the output. On HP LaserJet printers, the Line Printer font is ideal for printing the 132-column output in the normal, portrait orientation. On PostScript printers, the 7-point Courier font will do the same.

3.

Click on "OK". The Font dialog box will be replaced by a dialog box with words "Printing in progress" on the screen. The printed output is written to the hard disk (in the form of a metafile) when a “Printing in progress” dialog box is visible. The actual printing begins when this dialog box disappears.

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Output File Window FILE MENU PRINT ALL COMMAND This command lets you print the entire output file. This command works on output files of any size. TO PRINT THE ENTIRE OUTPUT FILE: 1.

Select the File | Print All command. A dialog box will appear asking you to select the font.

2.

Use the controls in the standard font-selection dialog box to select the font, font style and size you want. Click on “OK.” You should choose a font style and a font size that will accommodate the width of the output. On HP LaserJet printers, the Line Printer font is ideal for printing the 132-column output in the normal, portrait orientation. On PostScript printers, the 7-point Courier font will do the same. The Font dialog box will be replaced by a dialog box with words "Printing in progress" on the screen. The printed output is written to the hard disk (in the form of a metafile) when this dialog box is visible. The actual printing begins when this dialog box disappears.

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Output File Window TITLE BAR COMMANDS TOP, BOT., PREV and NEXT COMMAND These commands let you navigate from one case in the output file to the next. The Top command display the first (title) page of the output file. The Bot. (short for bottom) command displays the last page of the output file. The Prev and Next commands are used to display, respectively, the next or previous case in the output file. TO NAVIGATE USING THE TITLE BAR COMMANDS: 1.

Click on the Top, Bot., Prev. and Next menu. The Output File Window will display another page of the output file.

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Output File Window TITLE BAR COMMANDS INDEX COMMAND This command allows you to quickly locate a case in the output file. TO VIEW A PARTICULAR CASE: 1.

Select the Index command. A dialog box will appear. In addition to the text "title page", the list box will list the names of all the fault buses in the output file. Each fault bus may be associated with one or more fault cases having different phase connections (3phase, single phase to ground, etc.) and/or different branch outages or lineend conditions.

2.

Select the case to be viewed by clicking on its name in the list box. Use the "More" button to fill the list box with the next group and the "Top" button to return to the first group Click on "OK". The window will be refreshed to show you the first case associated with the selected fault bus. You may use the Prev, and Next commands to locate the other cases for the same fault bus.

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Index

command file 8 message file 8 output file 8 Files binary data file 11 command 8, 13, 15 output (short circuit solution) 53 report 8 temporary file 8 text data 8 text data file 11 Font Selection for Main Window 24

I A

Index Command 60

ANSI X/R ratio 37 ASPEN OneLiner 3

L Line-End/Out Fault Summary 34

B Binary Data File close 17 open 11 Bus Fault Summary Command 32

M Main Window clear contents 19 select all text 20 Message File 8

C Command Editor close 44 edit 45 print 43 save 41 save file as 42 search for text 46 Command File 8, 40 bus, line-end, line-out commands 48 create new 13 fault all buses command 47 intermediate faults command 49 open 15 output coverage 51 run 52 Copy Selected Text to Clipboard 23

E Exit Program 18

F Fault See Short Circuit File

Batch Short Circuit Module V10

O Options Command 39 Outage List 26 Output File 8 open 54 view 12 Output File Window 53

P Print Selected Text from Main Window 21 Printer Selection 16

R Report File 8 viewer 12

S Save Selected Text from Main Window 22 Short Circuit bus fault summary 32 flat prefault voltage profile 39 line-end/line-out summary 34

Index • 65

prefault voltage profile 39 prefault voltages from a linear network solution 39 prefault voltages from s power flow solution 39 specify 27 Specify Faults 27 Statistics 25

T Temporary File 8 Text Data File 8 close 17 open existing 11 Title Bar Commands prev (also next) 59 top (also bot.) 59 Tutorial 8

X X/R See ANSI X/R ratio X/R Ratio 37 ANSI 37 simulation parameters 37 typical values 37 X-only network 37

66 • Index

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