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A Switching Technique for Common Mode Voltage Reduction of PWM-Inverter Induction Motor Drive System Using TMS320F240  

박규현 (LG전자 연구원)
김이훈 (성균관대 대학원 메카트로닉스공학과)
원충연 (성균관대학교 정보통신공학부)
김규식 (서울시립대학교 전기전자컴퓨터공학부)
최세완 (서울산업대 제어계측공학과)
함년근 (인텍 FA 전력전자연구소)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.8, no.1, 2003 , pp. 89-97 More about this Journal
Abstract
High frequency common mode voltage produced by PWM inverter fed Induction motor is a major cause of conducted EMI, creation motor ground currents, bearing currents and other harmful products. The zero switching states of inverter control invoke large in comparison with the non-zero switching state of Inverter control. We proposed a common mode voltage reduction method based on sinusoidal PWM technique. PWM signal are generated by comparing respective sinusoidal reference signal with three triangular carrier wave displaced of 120$^{\circ}$. Simulation and experimenta1 result show that common mode voltages in the proposed PWM technique are reduced by approximate 66% more than conventional FWM technique.
Keywords
Conducted EMI; Sinusoidal PWM; Common Mode Voltage;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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