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Protection and Control of Modern Power Systems

Table 1 Parameters of DG

From: Power quality enhancement in islanded microgrids via closed-loop adaptive virtual impedance control

Element

Parameter

LCL filter

Lf = 1 mH; Rf = 0.02 Ω; Cf = 30 μF; Lg = 2 mH;

DC voltage

400 V

Voltage controller

kp = 0.05; kr1 = 20; kr3 = kr5 = kr7 = kr9 = 15; ωc = 3 rad/s

Inner current controller

kI = 0.025

Line impedance

Zline = 0.06 + j0.008 Ω

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