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A novel PWM switching technique for conducted EMI reduction in field-oriented control of an induction motor drive system

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5 Author(s)
Lee-Hun Kim ; Sch. of Inf. & Comput. Eng., Sung Kyun Kwan Univ. ; Jun-Ho Kim ; Nyon-Kun Hahm ; Chung-Yuen Won
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The importance of the EMI noise problems has been considered many times over the past years in inverter fed motor control system. With the advent of fast power devices, the high dv/dt of switching device produce EMI problems and leakage current. This paper describes the application of newly developed conducted EMI reduction technique of SVPWM in induction motor drives. The newly developed common mode voltage reduction SVPWM technique doesn't use any zero-voltage vector states for inverter control, hence it can restrict the common mode voltage better than conventional PWM technique. The proposed technique is verified through simulation and experimental results. And by applying vector control system, the proposed technique have superior ability of reducing EMI and equal control performance comparing conventional space-vector PWM technique

Published in:

Industrial Electronics Society, 2005. IECON 2005. 31st Annual Conference of IEEE

Date of Conference:

6-6 Nov. 2005