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PVSYST V6.53

Institute of energy science (Viet Nam)

Page 1/4

Grid-Connected System: Simulation parameters Project :

DAK BLA SOLAR POWER PROJECT

Geographical Site

Dak Bla - Kon Tum

Situation Time defined as

Latitude Legal Time Albedo Dak Bla - Kon Tum

Meteo data:

Simulation variant :

Country

Vietnam

14.44° N Longitude 108.15° E Time zone UT+7 Altitude 600 m 0.20 Meteonorm 7.1 (1992-2000), Sat=100% - Synthetic

5MW Simulation date

25/12/17 14h40

Simulation parameters Collector Plane Orientation 18 Sheds Inactive band Shading limit angle

Tilt Pitch Top Gamma

Models used

Transposition

Horizon

Free Horizon

Near Shadings

Inverter pack

6.00 m 0.00 m 27.10 ° Perez

Azimuth Collector width Bottom Occupation Ratio Diffuse

0° 4.00 m 0.00 m 66.7 % Perez, Meteonorm

Mutual shadings of sheds

PV Array Characteristics Si-poly Model PV module Original PVsyst database Manufacturer Number of PV modules In series Total number of PV modules Nb. modules Array global power Nominal (STC) Array operating characteristics (50°C) U mpp Total area Module area Inverter Original PVsyst database Characteristics

16°

Model Manufacturer Operating Voltage Nb. of inverters

TP672P-330 Talesun Solar (Zhongli) 20 modules In parallel 18900 Unit Nom. Power At operating cond. 6237 kWp 674 V I mpp Cell area 36674 m²

945 strings 330 Wp 5615 kWp (50°C) 8329 A 33108 m²

Sunny Central 1000CP XT SMA 596-850 V Unit Nom. Power Max. power (=>25°C)

1000 kWac 1100 kWac

5 units

5000 kWac

Total Power

PV Array loss factors Array Soiling Losses Thermal Loss factor

Uc (const)

Wiring Ohmic Loss Global array res. Serie Diode Loss Voltage Drop LID - Light Induced Degradation Module Quality Loss Module Mismatch Losses Incidence effect, ASHRAE parametrization IAM =

29.0 W/m²K 1.4 mOhm 0.7 V

1 - bo (1/cos i - 1)

Loss Fraction Uv (wind)

2.0 % 0.0 W/m²K / m/s

Loss Fraction Loss Fraction Loss Fraction Loss Fraction Loss Fraction bo Param.

1.5 % at STC 0.1 % at STC 2.0 % 0.5 % 1.0 % at MPP 0.05

PVSYST V6.53

Institute of energy science (Viet Nam)

Page 2/4

Grid-Connected System: Simulation parameters (continued)

System loss factors AC loss, transfo to injection External transformer

User's needs :

Grid Voltage Wires: 3x30000.0 mm² Iron loss (24H connexion) Resistive/Inductive losses Unlimited load (grid)

110 kV 700 m 6130 W 19740.0 mOhm

Loss Fraction Loss Fraction Loss Fraction

0.0 % at STC 0.1 % at STC 1.0 % at STC

PVSYST V6.53

Institute of energy science (Viet Nam)

Page 3/4

Grid-Connected System: Main results Project :

DAK BLA SOLAR POWER PROJECT

Simulation variant :

5MW System type Sheds disposition, tilt Model Nb. of modules Model Nb. of units Unlimited load (grid)

Main system parameters PV Field Orientation PV modules PV Array Inverter Inverter pack User's needs Main simulation results System Production

Produced Energy Performance Ratio PR

Grid-Connected 16° azimuth TP672P-330 Pnom 18900 Pnom total Sunny Central 1000CP XT Pnom 5.0 Pnom total

8247 MWh/year 79.87 %

Specific prod.

Normalized productions (per installed kWp): Nominal power 6237 kWp

1322 kWh/kWp/year

Performance Ratio PR

6

1.0

PR : Performance Ratio (Yf / Yr) : 0.799

Lc : Collection Loss (PV-array losses) 0.81 kWh/kWp/day Ls : System Loss (inverter, ...) 0.1 kWh/kWp/day Yf : Produced useful energy (inverter output) 3.62 kWh/kWp/day 5

0.8

4 Performance Ratio PR

Normalized Energy [kWh/kWp/day]

0° 330 Wp 6237 kWp 1000 kW ac 5000 kW ac

3

0.6

0.4

2

0.2

1

0

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

0.0

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

5MW Balances and main results GlobHor

DiffHor

T Amb

GlobInc

GlobEff

EArray

E_Grid

kWh/m²

kWh/m²

°C

kWh/m²

kWh/m²

MWh

MWh

January

106.3

66.70

19.30

116.7

108.2

615.3

597.7

0.821

February

129.1

57.60

20.40

140.8

132.0

735.6

715.1

0.814

March

158.8

76.80

23.00

164.3

153.4

845.7

822.8

0.803

April

153.9

79.00

25.40

150.6

140.0

768.2

747.7

0.796

May

173.5

72.90

27.10

161.8

150.2

818.0

796.4

0.789

June

164.4

69.60

27.60

150.0

139.0

756.7

736.5

0.787

July

171.7

74.90

27.70

158.3

146.8

797.9

776.7

0.787

August

150.8

75.00

27.00

144.4

133.9

730.9

710.8

0.790

September

136.6

77.30

24.90

138.0

128.1

705.4

686.0

0.797

October

116.6

72.10

23.40

122.2

113.2

629.3

611.1

0.802

November

98.9

59.10

21.70

107.5

99.7

554.6

537.2

0.801

December

91.7

58.80

20.20

100.9

93.5

526.0

509.2

0.809

1652.3

839.79

23.99

1655.5

1538.2

8483.6

8247.2

0.799

Year Legends:

PR

GlobHor

Horizontal global irradiation

GlobEff

Effective Global, corr. for IAM and shadings

DiffHor

Horizontal diffuse irradiation

EArray

Effective energy at the output of the array

T Amb

Ambient Temperature

E_Grid

Energy injected into grid

GlobInc

Global incident in coll. plane

PR

Performance Ratio

Sep

Oct

Nov

Dec

PVSYST V6.53

Institute of energy science (Viet Nam)

Page 4/4

Grid-Connected System: Loss diagram Project :

DAK BLA SOLAR POWER PROJECT

Simulation variant :

5MW

Main system parameters PV Field Orientation PV modules PV Array Inverter Inverter pack User's needs

System type Sheds disposition, tilt Model Nb. of modules Model Nb. of units Unlimited load (grid)

Grid-Connected 16° azimuth TP672P-330 Pnom 18900 Pnom total Sunny Central 1000CP XT Pnom 5.0 Pnom total

0° 330 Wp 6237 kWp 1000 kW ac 5000 kW ac

Loss diagram over the whole year

1652 kWh/m² +0.2%

Horizontal global irradiation Global incident in coll. plane

-2.1%

Near Shadings: irradiance loss

-3.2% -2.0% 1538 kWh/m² * 36674 m² coll.

Soiling loss factor Effective irradiance on collectors

efficiency at STC = 17.02%

PV conversion

9601 MWh -0.9%

Array nominal energy (at STC effic.) PV loss due to irradiance level

-6.7%

PV loss due to temperature

-0.5% -2.0%

Module quality loss LID - Light induced degradation

-1.0%

Module array mismatch loss

-1.0%

Ohmic wiring loss Array virtual energy at MPP

-1.6%

Inverter Loss during operation (efficiency)

8485 MWh

0.0% 0.0% 0.0% 0.0% 0.0%

Inverter Loss over nominal inv. power Inverter Loss due to power threshold Inverter Loss over nominal inv. voltage Inverter Loss due to voltage threshold Night consumption Available Energy at Inverter Output

0.0% -1.1%

AC ohmic loss External transfo loss

8343 MWh

8247 MWh

IAM factor on global

Energy injected into grid