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A line and load independent zero vol...

Kang, Wen.

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A line and load independent zero voltage switching dc/dc full bridge converter topology.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	A line and load independent zero voltage switching dc/dc full bridge converter topology./
Author:	Kang, Wen.
Description:	80 p.
Notes:	Adviser: P. K. Jain.
Contained By:	Masters Abstracts International39-06.
Subject:	Engineering, Electronics and Electrical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ59307
ISBN:	9780612593077

A line and load independent zero voltage switching dc/dc full bridge converter topology.
Kang, Wen.

A line and load independent zero voltage switching dc/dc full bridge converter topology. - 80 p.

Adviser: P. K. Jain.

Thesis (M.A.Sc.)--Concordia University (Canada), 2001.

Full bridge dc/de converter topology is extensively applied in medium to high power conversion. In a power level up to 3 kW, the full bridge converter now employs MOSFET switches. High efficiency, high power density, high reliability and low EMI are some of the most desirable features in these applications, particularly for computer and telecom systems.

ISBN: 9780612593077Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

A line and load independent zero voltage switching dc/dc full bridge converter topology.
LDR:02644nam 2200301 a 45 001 973226
005 20110928
008 110928s2001 eng d
020 $a 9780612593077
035 $a (UMI)AAIMQ59307
035 $a AAIMQ59307
040 $a UMI $c UMI
100 1 $a Kang, Wen. $3 1297182
245 1 2 $a A line and load independent zero voltage switching dc/dc full bridge converter topology.
300 $a 80 p.
500 $a Adviser: P. K. Jain.
500 $a Source: Masters Abstracts International, Volume: 39-06, page: 1606.
502 $a Thesis (M.A.Sc.)--Concordia University (Canada), 2001.
520 $a Full bridge dc/de converter topology is extensively applied in medium to high power conversion. In a power level up to 3 kW, the full bridge converter now employs MOSFET switches. High efficiency, high power density, high reliability and low EMI are some of the most desirable features in these applications, particularly for computer and telecom systems.
520 $a To achieve these features, soft switching techniques are normally employed. However, the conventional soft switching full bridge converter topologies would either lose the soft switching at some operating conditions, or become rather complex in design and implementation for a few kilo watts applications.
520 $a This thesis presents and analyzes an improved zero voltage switching dc/dc full bridge converter topology. The proposed topology employs asymmetrical auxiliary circuits that consist of only a few passive components. However, the advantage of the proposed topology is significant: it achieves soft switching independent of line and load conditions.
520 $a Detailed steady state and dynamic analyses are performed to understand the operating principle of the proposed topology and its performance. A dc blocking capacitor is essential to prevent the current sense transformer from saturation, and the study of this thesis shows that contrary to the conventional pulse width modulated full bridge converter, the peak current mode control can still be used along with the blocking capacitor in a phase shift full bridge converter. Design procedure for industrial application is presented. Experimental and simulation results of a prototype 500 W 350--400 Vdc to 55 Vdc converter operating at 100 kHz verify the analysis and design, and show an overall efficiency of greater than 97% at full load.
590 $a School code: 0228.
650 4 $a Engineering, Electronics and Electrical. $3 626636
690 $a 0544
710 2 0 $a Concordia University (Canada). $3 1018569
773 0 $t Masters Abstracts International $g 39-06.
790 $a 0228
790 1 0 $a Jain, P. K., $e advisor
791 $a M.A.Sc.
792 $a 2001
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ59307