IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
High-Frequency Zero-Phase-Sequence Equivalent Circuit of Induction Motor Driven by PWM Inverter
Tomohiro GotoMuneaki IshidaTakamasa Hori
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1996 Volume 116 Issue 10 Pages 1018-1026

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Abstract

This paper deals with leakage current and it's high-frequency zero-phase-sequence equivalent circuit in an induction motor driven by a PWM inverter. The leakage current flows through stray capacitances between stator windings and iron core (frame) of an induction motor at the switching instants of the inverter transistors. The high-frequency zero-phase-sequence equivalent circuit is derived based on the frequency characteristics of the high-frequency zero-phase-impedance of the induction motor. The validity of the derived equivalent circuit is confirmed by simulation and experimental results.

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© The Institute of Electrical Engineers of Japan
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