멀티레벨 인버터를 이용한 3상 유도전동기 구동 시스템의 EMI 필터 설계

Design of EMI filters for an Induction Motor Drive System with Multi-level inverters

  • 발행 : 2006.05.01

초록

In this paper EMI problems with induction motor drive system using multi-level inverters are investigated. The high power multi-level inverter usually operates with low switching frequency and produces large noises. Generally, EMI consists of the conduction component through source lines and emission component emitted to the space. This conduction component can be classified to the common-mode between source line and ground, and the normal-mode between lines. The EMI filters for the induction motor drive system are designed and implemented to reduce EMI noise. Finally the designed system is verified by the experiment. The experimental results show that both the normal mode and common mode noises are greatly reduced compared to the system without filters.

키워드

참고문헌

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