A simulation method to predict the turn-to-turn voltage spikes in a PWM fed motor winding

This paper proposes a numerical simulation method dedicated to design assistance of high reliability machines fed by PWM inverters. It allows the computation of winding turn-to-turn maximum voltage stress for any combination of the wire positions in the stator slot. With such a tool, it is possible...

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Bibliographic Details
Published in:IEEE transactions on dielectrics and electrical insulation 2011-10, Vol.18 (5), p.1609-1615
Main Authors: Mihaila, Vasile, Duchesne, Stephane, Roger, Daniel
Format: Article
Language:English
Subjects:
Capacitance
Coils
Computer simulation
Design engineering
Electric potential
Electric wire
Engineering Sciences
equivalent circuit
Equivalent circuits
Inductance
Mathematical models
Motor winding
Pulse duration modulation
Resistance
simulation tool
steep fronted pulse
Voltage
voltage stress
Winding
Windings
Wires
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Summary:This paper proposes a numerical simulation method dedicated to design assistance of high reliability machines fed by PWM inverters. It allows the computation of winding turn-to-turn maximum voltage stress for any combination of the wire positions in the stator slot. With such a tool, it is possible to design coils with the best wire arrangement for any fast-fronted pulses. An equivalent circuit is used to simulate the voltage distribution among the turns of the winding. A finite-element analysis simulation package is used to estimate the high-frequency distributed-circuit parameters of the winding. In order to validate the simulation results, they are compared with experimental results.
ISSN:1070-9878
1558-4135
DOI:10.1109/TDEI.2011.6032831