2007
DOI: 10.1109/isie.2007.4374724
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Abstract: This paper discusses the limitations of the Series Active Power Filter operating in unbalanced three-phase four-wire systems and proposes the insertion of series active impedance to neutral wire. The control of this active impedance uses a Modified Synchronous Reference Frame Controller (MSRFC) in order to mitigate the flow of zero sequence harmonic components. The performance of the combined system, constituted of two series active filters, is simulated with and without the insertion of a series active filte…

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