Modified Passivity-Based Control for LCL-Filtered Grid-Tied Inverter with Output Admittance Reshaping

Table 1

System parameters.

Symbols	Components	Value
U dc	DC link voltage	350 V
L 1	Inverter-side inductor	1.2 mH
L 2	Grid-side inductor	1.2 mH
C	Capacitor of LCL filter	6 μF
f s	Sampling frequency	10 kHz
f sw	Switching frequency	10 kHz
R 1, R 2	Equivalent resistance of filter inductor L1, L2	0.1 Ω, 0.1 Ω
	Grid voltage	110 V (RMS)
f o	Grid frequency	50 Hz
	Grid capacitor	3 μF
	Grid inductor	3.6 mH