Constant Frequency Control Strategy of Microgrids by Coordinating Energy Router and Energy Storage System

Table 1

Key parameters of the simulation.

Parameter	Value/unit
Maximum fluctuation of the active power of the photovoltaic	33 kW
Maximum fluctuation of the active power of the wind power	83 kW
Average active power output of the photovoltaic	25 kW
Average active power output of the wind power	65 kW
The capacity of the battery energy storage system	5 Ah
Load	0–100 kW
Rated power of the ER	100 kW
of the PI controller	110
of the PI controller	210
Rated frequency of the microgrid	50 Hz
Rated line voltage	380 V
Droop control coefficient	50.67 Nm·s/rad