Robust Control Scheme for Three-Phase Grid-Connected Inverters With LCL-Filter Under Unbalanced and Distorted Grid Conditions

The grid voltage, especially under unbalanced and harmonically distorted grid conditions, often distorts the injected currents of grid-connected inverters. To address this problem, a robust control scheme of grid-connected inverters is presented in this paper. The proposed scheme is achieved by an i...

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Veröffentlicht in:	IEEE transactions on energy conversion 2018-06, Vol.33 (2), p.506-515
Hauptverfasser:	Lai, Ngoc-Bao, Kim, Kyeong-Hwa
Format:	Artikel
Sprache:	eng
Schlagworte:	Grid-connected inverter Harmonic analysis internal model principle Inverters moving average filter Phase locked loops phase-locked loop Power harmonic filters Robustness Transient response unbalanced and distorted grid Voltage control
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