A rugged soft commutated PWM inverter for AC drives

A novel DC-DC power converter for variable-speed AC power drives using the zero-voltage switching technique is described. This converter combines the advantages of soft commutated inverters and those of conventional pulsewidth modulated (PWM) inverters. In the proposed scheme, the soft commutation r...

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Bibliographic Details
Published in:IEEE transactions on power electronics 1992-04, Vol.7 (2), p.385-392
Main Authors: Cheriti, A., Al-Haddad, K., Dessaint, L.A., Meynard, T.A., Mukhedkar, D.
Format: Article
Language:English
Subjects:
Applied sciences
Capacitors
Diodes
Electrical engineering. Electrical power engineering
Electrical machines
Exact sciences and technology
Leg
Pulse width modulation
Pulse width modulation converters
Pulse width modulation inverters
Regulation and control
Resonance
Switches
Switching frequency
Zero voltage switching
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Description
Summary:A novel DC-DC power converter for variable-speed AC power drives using the zero-voltage switching technique is described. This converter combines the advantages of soft commutated inverters and those of conventional pulsewidth modulated (PWM) inverters. In the proposed scheme, the soft commutation reduces the constraints on the switches, and the PWM enables simple and efficient regulation of the power flow. Furthermore, the zero-voltage switching technique makes operation safe, and the switching of bipolar transistors at 20 kHz is easily achieved without compromising the efficiency of the system.< >
ISSN:0885-8993
1941-0107
DOI:10.1109/63.136256