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A new fixed-frequency zero-voltage switched low-cost single phase high quality rectifier circuits with minimum voltage stress across the switches

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Title A new fixed-frequency zero-voltage switched low-cost single phase high quality rectifier circuits with minimum voltage stress across the switches
 
Creator BA-THUNYA, AS
PILLAI, SK
FERNANDES, BG
PRASAD, D
 
Subject bridge circuits
electric currents
mathematical models
power converters
 
Description This paper presents a new family of circuits for single phase diode bridge rectifiers capable of drawing approximately sinusoidal current at unity power factor with high efficiency and minimum voltage stress across the switches. They can work as either boost or flyback converters. The circuits consist of a single-phase diode bridge rectifier, followed by a boost stage containing two switches-the main switch for controlling the output DC voltage and the auxiliary switch for achieving zero voltage switching (ZVS). The switching frequency of the converters is maintained constant. The paper explains the principle of operation and describes the analysis of each mode of operation for both boost and flyback converters. It also gives design criteria, derived from the mathematical analysis carried out, for achieving ZVS under all loading conditions. The simulation results obtained using PSPICE demonstrate the validity of the proposed converters.
 
Publisher IEEE
 
Date 2008-12-22T05:39:30Z
2011-11-28T00:30:39Z
2011-12-15T09:57:16Z
2008-12-22T05:39:30Z
2011-11-28T00:30:39Z
2011-12-15T09:57:16Z
1998
 
Type Article
 
Identifier TENCON'98 : Proceedings of the IEEE Region 10 International Conference on Global Connectivity in Energy, Computer, Communication and Control (V 2), New Delhi, India, 17-19 December 1998, 406-409.
0-7803-4886-9
10.1109/TENCON.1998.798194
http://hdl.handle.net/10054/432
http://dspace.library.iitb.ac.in/xmlui/handle/10054/432
 
Language en