International Journal of Photoenergy

Research Article

Online Modelling and Calculation for Operating Temperature of Silicon-Based PV Modules Based on BP-ANN

Table 2

The electrical equipment configuration of the empirical test platform.
ClassesReal productsInstructions
PV moduleOptimum operating voltage : 30.1 V
Optimum operating current : 8.14 A
Maximum power : 245 kWp
InverterAmbient temperature range: −20°C~60°C
AC grid frequency range: 45 Hz~55 Hz
Nominal DC power: 2100 W
DC voltmeterType number: PZ72L-DE
Measuring parameters: DC voltage Modbus-RTU protocol
Precision level: 0.5
DC ammeterType number: PZ72L-DE
Measuring parameters: DC current
Modbus-RTU protocol
Precision level: 0.5
AC voltmeterType number: PZ72L-AV
Measuring parameters: AC voltage
Modbus-RTU protocol
Precision level: 0.5
AC ammeterType number: PZ72L-AV
Measuring parameters: AC current
Modbus-RTU protocol
Precision level: 0.5
Irradiance meterSpectral range: 0.3–3 μV
Precision range: 7~14 μV/W·m−2
Test range: 0~2000 V/m2
Weather stationWorking environment: −40~70°C
Relative humidity is less than 90%
PT100 sensorPrecision range: ±0.1°C
Sensitivity: 0.385 Ω/°C
Test range: −40°C–150°C
PT100 data acquisition unitModbus-RTU protocol
Environment temperature: −40~85°C
Function: receive 8 road PT100 temperature sensor data, then transform into a digital signal through the MODBUS RTU protocol output