Common- and differential-mode HF current components in AC motors supplied by voltage source inverters

In this paper, an inverter-fed ac motor drive is analyzed in order to investigate the conducted electromagnetic interferences at both the input and output sides of the inverter. HF lumped equivalent circuits for the inverter and the motor stator windings are proposed. The overall circuit model allow...

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Bibliographic Details
Published inIEEE transactions on power electronics Vol. 19; no. 1; pp. 16 - 24
Main Authors Grandi, G., Casadei, D., Reggiani, U.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.01.2004
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
A C motors
AC motors
Circuit testing
Circuits
Electromagnetic analysis
Electromagnetic interference
Equivalent circuits
Frequencies
Frequency domain analysis
Hafnium
Inverters
Mathematical models
Motor stators
Motors
Simulators
Stator windings
Time
Voltage
Waveform analysis
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Summary:In this paper, an inverter-fed ac motor drive is analyzed in order to investigate the conducted electromagnetic interferences at both the input and output sides of the inverter. HF lumped equivalent circuits for the inverter and the motor stator windings are proposed. The overall circuit model allows time- and frequency-domain analysis to be performed with standard circuit simulators. The proposed model can also predict common- and differential-mode HF current components. The equivalent circuit is verified by experimental tests carried out on a prototype of ac motor drive.
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ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2003.820564