An Improved Active Damping Method Based on Single-Loop Inverter Current Control for LCL Resonance in Grid-Connected Inverters

<div>Frequency-domain characteristics of the equivalent virtual impedance with different leading phases. 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Mathematical Problems in Engineering

fig9

Figure 9

Figure 9: An Improved Active Damping Method Based on Single-Loop Inverter Current Control for LCL Resonance in Grid-Connected Inverters 