What is it about?
This active power filter could be applied under unbalanced voltages in distribution grids. Adaptive notch filter is used to extract the fundamental positive-sequence voltage.
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Why is it important?
The performance of proposed technique is perfect in any level of unbalanced voltages.
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This page is a summary of: Adaptive notch filter solution under unbalanced and/or distorted point of common coupling voltage for three-phase four-wire shunt active power filter with sinusoidal utility current strategy, IET Generation Transmission & Distribution, October 2015, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-gtd.2014.1017.
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