• Title/Summary/Keyword: Series and Parallel Resonant Filters

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A Study on the Series and Parallel Resonant Filters for Harmonic Currents Reduction of Nonlinear Loads (비선형부하의 고조파전류 저감을 위한 직렬 및 병렬 동조필터에 관한 연구)

  • 김경철;강윤모;백승현;김종욱
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.17 no.6
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    • pp.113-118
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    • 2003
  • This paper characterizes typical nonlinear loads into two types of harmonic sources, i.e., harmonic voltage source and harmonic current source. A series resonant filter is very effective in harmonic reduction for harmonic voltage source type of nonlinear loads such as personal computer loads with smoothing dc capacitors. A parallel resonant filter is suited for current source type of nonlinear loads such as ac drives with smoothing dc reactors. General compensation characteristics and comparison of series and parallel resonant filters are given analytically and experimentally. Compliance with IEC Std 1000-3-2 has been evaluated for limiting harmonic distortion.

Implementation of a multi-output resonant converter topology for an independent voltage control (독립전압 제어를 위한 다중출력 공진형 컨버터의 적용)

  • Isaac, Daniel;Park, Joung-Hu
    • Proceedings of the KIPE Conference
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    • 2015.07a
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    • pp.265-266
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    • 2015
  • A multiple output dc-dc resonant converter topology for an independent voltage control technique is proposed, using a narrow frequency selection band-pass filters. The multi-output converter is supplied by a single source inverter with the superposed sinusoidal signals reserved for each output. A series-series parallel resonant topology is utilized to implement the narrow frequency selection channels for minimum interference. Finally the experimental setup for four output dc-dc converter is verified with the narrow channel frequencies of 26 kHz, 32 kHz, 38 kHz and 46 kHz.

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