The Transactions of the Korean Institute of Electrical Engineers B (대한전기학회논문지:전기기기및에너지변환시스템부문B)

The Korean Institute of Electrical Engineers (대한전기학회)
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A Novel Control Method of Combined System consists of Series Active Power Filter and Parallel Passive Power Filter to Compensate Current Harmonics and Unbalanced Source Voltages

전류 고조파와 불평형 전원 전압을 보상하는 직렬형 능동전력 필터와 병렬형 수동전력필터 병용시스템의 새로운 제어법

  • Published : 2001.12.01
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Abstract

In this paper, we study a series active power filter to compensate current harmonics and unbalanced source voltages. Conventional control methods for compensating unbalanced source voltages use source voltages to calculate compensation voltages, and in addition use load voltages to regulate load voltages. But the proposed control method uses load voltage to compensate unbalanced source voltages and regulate load voltages. And we propose a control method to reduce current harmonics which can calculate compensation voltages directly from source currents and load voltages. By well-matched operation of two control methods, the series active power filter can compensate current harmonics, unbalanced source voltages, and regulate load voltages. We compose a combined system of the series active power filter and parallel passive filters to confirm a validity of proposed control methods. The results from experiments are presented to demonstrate effectiveness of the proposed method.

Keywords

References

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