无锡地区分布式光伏电站发电量模拟分析

Grid-Connected System: Simulation parameters

Project :715光伏发电

Geographical Site Wuxi CH Country China

Situation Latitude31.6oN Longitude120.3oE Time defined as Legal Time Time zone UT+8Altitude30 m

Albedo 0.20

Meteo data :Wuxi CH, Meteonorm SYN File

Simulation variant :New simulation variant

Simulation date07/10/14 19h49

Simulation parameters

Collector Plane Orientation Tilt23 deg Azimuth0 deg

Horizon Free Horizon

Near Shadings No Shadings

PV Array Characteristics

PV module Si-mono Model STP 250S-24/Vb

Manufacturer Suntech

Number of PV modules In series17 modules In parallel168 strings Total number of PV modules Nb. modules2856Unit Nom. Power250 Wp

Array global power Nominal (STC)714 kWp At operating cond.639 kWp (50oC) Array operating characteristics (50oC)U mpp532 V I mpp1202 A

Total area Module area5542 m2

Inverter Model SG100K3

Manufacturer Sungrow

Characteristics Operating Voltage450-820 V Unit Nom. Power100 kW AC Inverter pack Number of Inverter7 units Total Power700 kW AC

PV Array loss factors

Thermal 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=20oC, Wind=1 m/s.)NOCT56 oC

Wiring Ohmic Loss Global array res.7.4 mOhm Loss Fraction 1.5 % at STC Module Quality Loss Loss Fraction 1.5 %

Module Mismatch Losses Loss Fraction 2.0 % at MPP Incidence effect, ASHRAE parametrization IAM = 1 - bo (1/cos i - 1)bo Parameter0.05

User's needs :Unlimited load (grid)