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A new quasi-resonant DC-link PWM inverter using single switch for soft switching

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Title A new quasi-resonant DC-link PWM inverter using single switch for soft switching
 
Creator JAFAR, JJ
FERNANDES, BG
 
Subject converter
circuit
quasi-resonant inverter
soft switched inverter
 
Description This paper presents a new quasi-resonant dc-link (QRDCL) inverter. Only one switching device is used to create zero voltage instants under all load conditions. The maximum voltage across the inverter devices is maintained at around (1.01-1.1) times the input source voltage. The circuit has the flexibility of selecting switching instants of the resonant link in synchronism with any PWM technique. Control technique does not require the help of inverter switches to create the zero voltage instants in the dc-link, and voltage and current sensors are eliminated from the control circuit. In this paper, the principle of operation and detailed analysis of the proposed QRDCL inverter are presented and design considerations for achieving soft switching are obtained. Detailed PSPICE simulation studies are carried out to study the feasibility of the proposed topology under various load conditions. The experimental results of the proposed QRDCL PWM inverter feeding three phase induction motor are given.
 
Publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
 
Date 2011-07-31T17:50:30Z
2011-12-26T12:53:05Z
2011-12-27T05:40:13Z
2011-07-31T17:50:30Z
2011-12-26T12:53:05Z
2011-12-27T05:40:13Z
2002
 
Type Article
 
Identifier IEEE TRANSACTIONS ON POWER ELECTRONICS, 17(6), 1010-1016
0885-8993
http://dx.doi.org/10.1109/TPEL.2002.805598
http://dspace.library.iitb.ac.in/xmlui/handle/10054/8190
http://hdl.handle.net/10054/8190
 
Language en