Multi-function three-phase active power filter

Electrical transmission or interconnection systems – With harmonic filter or neutralizer

Reexamination Certificate

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C327S052000

Reexamination Certificate

active

08004119

ABSTRACT:
A new multi-function shunt active filter has been successfully implemented. The proposed decoupler and cascade controller provide a simple solution to power factor correction, reduction of harmonics loads and load balancing. The mathematical burden of resolving the load current to fundamental and harmonics is not required. The decoupler and controller can easily be implemented using low-cost analogue devices.

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English abstract of KR 2007004152 to Min, Neutral line current reduction of three-phase four-wire power system using active filter, especially for controlling increase of neutral line current due to fundamental wave and harmonic wave current generated in nonlinear load, Jan. 9, 2007.
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Direct Space Vector PWM Strategies for Three-Phase to Three-Phase Matrix Converter, to Tadano et al., Apr. 2007.

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