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A Study on Filter Efficiency Analysis and Harmonic Reduction of Single Phase NPC Multi-Level Inverter with LC-Trap Filter  

Kim Soo-Hong (중앙대 전자전기공학부)
Seo Kang-Moon (중앙대 전자전기공학부)
Kim Yoon-Ho (중앙대 전자전기공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.55, no.8, 2006 , pp. 430-435 More about this Journal
Abstract
This paper presents a method about the efficiency analysis and the harmonic reduction of single phase NPC multi-level inverter with LC-trap filter and LCR output filter. The proposed LC-trap filter is comprised of a conventional LC output filter, by using LC-trap filter the need for high damping resistor and low LC cut-off frequency is eliminated. Also, low damping resistor is increased the efficiency of the output filter. Experimental verification of the proposed circuit is provided with single phase NPC multilevel inverter system and DSP controller.
Keywords
LC-Trap Filter; LCR Filter; NPC Multilevel Inverter;
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Times Cited By KSCI : 1  (Citation Analysis)
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