Current Control and Active Damping for Single Phase LCL-Filtered Grid Connected Inverter

Table 1

Parameter definition.

	Inverter side inductance
	Grid side inductance
	Filter capacitor
	Resonant frequency
	Sampling frequency
	Grid frequency
	Grid voltage
	DC line voltage
	Proportional gain
	Inverter voltage
	Capacitor voltage
	Inverter side current
	Grid side current
	Control signal
	Resonant gain
	Active Damping gain
	Phase margin
	Gain margin
	Damping factor
	Cut-off frequency
	Inverter gain
	Virtual resistor of active damping loop
	Equivalent capacitor of active damping loop
	Equivalent resistor of active damping loop