Table 3 System information
PV field orientation | Models used | User’s needs | |||||
|---|---|---|---|---|---|---|---|
General information: stand-alone | |||||||
Installation type | Roof mount | Transposition | Perez | Daily consumption (kWh/Day) | 2.56 | ||
Azimuth/inclination | 0° (north)/30° | Diffuse | Perez, meteonorm | Controller | |||
Horizon | Circumsolar | Separate | Technology | MPPT | |||
Free horizontal | No shading | At operating conditions (50 °C) | |||||
PV module | Pmpp (kWp) | 2325 | U mpp (V) | 64 | I mpp (A) | 36 | |
Manufacturer | CSI Solar | Unit Nom. Power (Wp) | 320 | Nominal (STC), kWp | 2.560 | ||
Model | CS1-320MS | Number of PV modules (units) | 8 | Modules | 4 Strings × 2 In series | ||
PV module type | cSi—monocrystalline silicon | Designed system size (kWp) | 10 | ||||
Total PV power | |||||||
Nominal (STC) (kWp) | 3 | Total number of modules | 8 | Module area (m2) | 13.5 | ||
Cell area (m2) | 13 | ||||||
Battery | |||||||
Manufacturer | Model | ||||||
Technology | Lead acid, seal, gel | Voltage (V) | 48 | Stored energy (kWh) | 47.5 | ||
Number of units | 6 in parallel × 4 in series | Capacity (Ah) | 1200 | Temp coeff | – 0.5 m V/℃/Elem | ||
Charging, SOC = 0.90/0.75 (V) | 53.7/51.3 | Discharging SOC = 0.2/0.45 (V) | 47.8/49.7 | Threshold command | SOC calc | ||