An Active Power Ripple Mitigation Strategy for Three-Phase Grid-Tied Inverters Under Unbalanced Grid Voltages

This letter proposes an active power ripple mitigation strategy for the three-phase three-wire grid-tied inverter. Under the unbalanced grid voltage scenarios, the double-line frequency oscillation will have occurred on the inverter output power and the dc-link voltage. Traditionally, the three-phas...

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