Table 1 System parameters for MATLAB simulation of PV and battery Systems.
Parameter | Value | Description |
|---|---|---|
PV System Parameters | ||
Solar Irradiance | 1000 W/m2 | Standard solar irradiance value |
Temperature | 25 °C | Ambient temperature |
PV System Capacity | 120 MW | Total power output capacity of the PV system |
PV Inverter | 144 MVA | Rated power capacity of the PV inverter |
Number of PV Panels | 150 | Number of series-connected cells in each panel |
Number of Cells in Series | 10 | Number of cells connected in series in each panel |
Number of Parallel Strings | 200 | Number of parallel strings in the PV array |
Series Panels per String | 120 | Number of panels connected in series per string |
Battery Storage System (BESS) | ||
Battery Energy Capacity | 70 MWhr | Total energy storage capacity of the battery system |
Battery Power Rating | 580.82 MW | Continuous power rating for the battery system |
Battery Inverter | 82 MVA | Rated power capacity of the battery inverter |
Battery Cell Voltage | 14 V | Voltage of each battery cell |
Number of Cells in Series (Battery) | 500 | Number of cells connected in series in the battery pack |
Inverter Control Parameters | ||
PV Inverter Efficiency | 95% | Efficiency of the PV inverter |
Battery Inverter Efficiency | 95% | Efficiency of the battery inverter |
Power Conversion Equipment | ||
PV Inverter Output Voltage | 4.2 kV | Output voltage of the PV inverter |
Battery Inverter Output Voltage | 24.9 kV | Output voltage of the battery inverter |
Energy Management System (EMS) | ||
Control Algorithm | Droop Control, VSM | Control strategies for managing energy storage and PV power output |
Fault Ride-Through (FRT) Control | Enabled | Ability of the system to maintain operation during faults |
Grid Connection | ||
Grid Voltage (PCC) | 400 V | Voltage at the point of common coupling (PCC) |
Grid Frequency | 50 Hz | Frequency at the grid connection point |
System Voltage Regulation | ||
Voltage Regulation (GFM) | ± 10% | Regulation tolerance for the GFM inverter voltage |
Dynamic Control Parameters | ||
Active Power Control | PI Control | Proportional-integral controller for active power management |
Reactive Power Control | PI Control | Proportional-integral controller for reactive power management |
Frequency Support | Virtual Synchronous Machine (VSM) | VSM used for stabilizing grid frequency during transient conditions |
Fault Ride-Through Mechanism | ||
Fault Type | Short Circuit, Voltage Sag | Fault scenarios considered for the fault ride-through tests |
Power Reserve for Faults | 20% of nominal power | Reserve power maintained during grid faults to support restoration |