Table 1 Dynamic parameters of the studied islanded µG
Parameters | Value |
|---|---|
Microgrid damping coefficient, D (pu MW/Hz) | 0.016 |
Microgrid system inertia, H (pu MW s) | 0.082 |
The time constant of the governor, Tg (s) | 0.100 |
The time constant of the turbine, Tt (s) | 0.400 |
Droop constant, R (Hz/pu MW) | 2.400 |
Integral control variable gain, KI | − 0.198 |
Time constant of inverter-based ESS, TESS (s) | 10.000 |
Maximum capacity of ESS, PESS-Max (pu MW) | 0.300 |
Minimum capacity of ESS, PESS-Min (pu MW) | − 0.300 |
The time constant of the solar system, TPV (s) | 1.900 |
The time constant of wind turbine, TWT (s) | 1.400 |
Virtual inertia value, JV (pu MW s) | 1.600 |
Virtual damping value, DV (pu MW/Hz) | 1.200 |
System frequency, f (Hz) | 50.000 |