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Grid-Connected System: Simulation parameters

Project : PV Syst Report for 100 KWp

Geographical Site Navi Mumbai Country INDIA

Situation Latitude 19.1°N Longitude 73.0°E

Time defined as Legal Time Time zone UT+5 Altitude 27 mAlbedo 0.20

Meteo data : Navi Mumbai, Synthetic Hourly data

Simulation variant : New simulation variant

Simulation date 05/03/12 17h55

Simulation parameters

Collector Plane Orientation Tilt 19° Azimuth 0°

Horizon Free Horizon

Near Shadings No Shadings

PV Array Characteristics

PV module Si-mono Model ELPS CS6P - 260MMManufacturer Canadian Solar Inc.

Number of PV modules In series 19 modules In parallel 20 stringsTotal number of PV modules Nb. modules 380 Unit Nom. Power 260 WpArray global power Nominal (STC) 98.8 kWp At operating cond. 87.5 kWp (50°C)Array operating characteristics (50°C) U mpp 517 V I mpp 169 ATotal area Module area 611 m² Cell area 545 m²

Inverter Model CI 100

Manufacturer Delta EnergyCharacteristics Operating Voltage 450-800 V Unit Nom. Power 100 kW AC

PV Array loss factorsThermal Loss factor Uc (const) 20.0 W/m²K Uv (wind) 0.0 W/m²K / m/s

=> Nominal Oper. Coll. Temp. (G=800 W/m², Tamb=20°C, Wind=1 m/s.) NOCT 56 °C

Wiring Ohmic Loss Global array res. 53 mOhm Loss Fraction 1.5 % at STCModule Quality Loss Loss Fraction 0.9 %Module Mismatch Losses Loss Fraction 2.0 % at MPPIncidence effect, ASHRAE parametrization IAM = 1 - bo (1/cos i - 1) bo Parameter 0.05

User's needs : Unlimited load (grid)

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Grid-Connected System: Main results

Project : PV Syst Report for 100 KWp

Simulation variant : New simulation variant

Main system parameters System type Grid-Connected

PV Field Orientation tilt 19° azimuth 0°PV modules Model ELPS CS6P - 260MM Pnom 260 WpPV Array Nb. of modules 380 Pnom total 98.8 kWpInverter Model CI 100 Pnom 100 kW acUser's needs Unlimited load (grid)

Main simulation resultsSystem Production Produced Energy 143855 kWh/year Specific prod. 1456 kWh/kWp/year

Performance Ratio PR 73.5 %

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

0

1

2

3

4

5

6

7

8

   N  o  r  m  a   l   i  z  e   d   E  n  e  r  g  y   [   k   W   h   /   k   W  p   /   d  a  y   ]

Normalized productions (per installed kWp): Nominal power 98.8 kWp

Yf : Produced useful energy (inverter output) 3.99 kWh/kWp/day

Ls : System Loss (inverter, ...) 0.21 kWh/kWp/dayLc : Collection Loss (PV-array losses) 1.22 kWh/kWp/day

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

   P  e  r   f  o  r  m  a  n  c  e   R  a   t   i  o   P   R

Performance Ratio PR

PR : Performance Ratio (Yf / Yr) : 0.735

New simulation variant

Balances and main results

GlobHor T Amb GlobInc GlobEff EArray E_Grid EffArrR EffSysR

kWh/m² °C kWh/m² kWh/m² kWh kWh % %

January 147.0 24.00 180.3 175.2 14024 13337 12.72 12.10

February 155.0 24.90 177.8 173.1 13567 12914 12.48 11.88

March 196.0 27.10 208.5 203.0 15763 14992 12.37 11.76

April 202.0 28.80 197.5 191.6 14818 14089 12.28 11.67

May 208.0 30.00 193.0 186.6 14514 13801 12.31 11.70

June 148.0 29.30 137.0 132.0 10585 10007 12.64 11.95July 119.0 28.20 112.0 107.7 8731 8204 12.75 11.98

August 123.0 27.70 118.6 114.2 9304 8773 12.83 12.10

September 143.0 27.80 144.8 140.2 11239 10647 12.70 12.03

October 160.0 28.80 175.6 170.6 13361 12690 12.45 11.82

November 141.0 27.60 167.2 162.6 12704 12081 12.43 11.82

December 136.0 25.70 167.2 162.5 12942 12321 12.66 12.05

Year 1878.0 27.50 1979.7 1919.5 151552 143855 12.52 11.89

Legends: GlobHor Horizontal global irradiat ion

T Amb Ambient Temperature

GlobInc Global incident in col l. plane

GlobEff Effective Global, corr. for IAM and shadings

EArray Effective energy at the output of the array

E_Grid Energy injected into grid

EffArrR Effic. Eout array / rough area

EffSysR Effic. Eout system / rough area

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Grid-Connected System: Loss diagram

Project : PV Syst Report for 100 KWp

Simulation variant : New simulation variant

Main system parameters System type Grid-Connected

PV Field Orientation tilt 19° azimuth 0°PV modules Model ELPS CS6P - 260MM Pnom 260 WpPV Array Nb. of modules 380 Pnom total 98.8 kWpInverter Model CI 100 Pnom 100 kW acUser's needs Unlimited load (grid)

Loss diagram over the whole year

Horizontal global irradiation1878 kWh/m²

+5.4% Global incident in coll. plane

-3.0% IAM factor on global

Effective irradiance on collectors1919 kWh/m² * 611 m² coll.

efficiency at STC = 16.20% PV conversion

Array nominal energy (at STC effic.)190121 kWh

-2.0% PV loss due to irradiance level

-15.1% PV loss due to temperature

-1.0% Module quality loss

-2.1% Module array mismatch loss

-1.1% Ohmic wiring loss

Array virtual energy at MPP151653 kWh

-5.1% Inverter Loss during operation (efficiency)

0.0% Inverter Loss over nominal inv. power

-0.0% Inverter Loss due to power threshold

0.0% Inverter Loss over nominal inv. voltage

-0.1% Inverter Loss due to voltage threshold

Available Energy at Inverter Output143855 kWh

Energy injected into grid143855 kWh