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http://dx.doi.org/10.5207/JIEIE.2006.20.3.036

Output Filler Design for Noise Reduction of Induction Motor Drive System using H-Bridge 7-Level Inverters  

Kim, Soo-Hong (중앙대학교 전자전기공학부)
Ahn, Young-Oh (중앙대학교 일반대학원 전자전기 공학부)
Kim, Yoon-Ho (중앙대학교 전자전기공학부)
Bang, Sang-Seok ((주)포스콘 기술연구소)
Kim, Kwang-Seob ((주)포스콘 기술연구소)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.20, no.3, 2006 , pp. 36-44 More about this Journal
Abstract
In general, the generated harmonics and noise of the PWM inverter are affected by PWM switching method, switching frequency, dv/dt and di/dt. Since multilevel inverters are often applied to the high power system, and operates with low switching frequency, theyproduce large size of harmonic contents and noise. Thus it is necessary to install output filters in the multilevel inverter. In this paper a filter design approach for the harmonic and noise reduction the three phase induction motor driving system using H-bridge 7-level inverter system is presented. The passive filter that has low cost and simple structure and can effectively reduce harmonics and noise, is designed and applied to the three phase induction motor drive having multilevel inverter system. The designed system is implemented and verified by simulation and experiments.
Keywords
H-Bridge Multilevel Inverter; Output Filter; Noise Filter;
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  • Reference
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