ZVS/ZCS Vienna rectifier topology for high power applications

This paper focuses on the study of a soft‐switched unidirectional boost‐type rectifier employing a snubber circuit, used as a front‐end converter stage in high‐power applications. The proposed rectifier operates with soft switching which results in high efficiency and low cost. The switching losses...

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Bibliographic Details
Published in:IET power electronics Vol. 12; no. 5; pp. 1285 - 1294
Main Authors: Ali, Abdar, Mansoor Khan, Muhammad, Yuning, Jiang, Ali, Yaqoob, Faiz, Muhammad Talib, Chuanwen, Jiang
Format: Journal Article
Language:English
Published: The Institution of Engineering and Technology 01.05.2019
Subjects:
above‐mentioned converter
circuit operation
conventional T‐type
DC‐DC power convertors
desired result
electromagnetic interference
electromagnetic interference result
experimental results
front‐end converter stage
high efficiency
high power applications
inductors
lossless snubber switch cell
low cost
poor efficiency
power 10.0 kW
PWM rectifiers
rectifiers
rectifying circuits
snubber circuit
snubbers
soft switching techniques need
switching convertors
switching losses
three‐level boost rectifier
unidirectional boost‐type rectifier
unidirectional rectifier
zero current switching
zero voltage switching
ZVS/ZCS Vienna rectifier topology
ISSN:1755-4535, 1755-4543
Online Access:Get full text
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Summary:This paper focuses on the study of a soft‐switched unidirectional boost‐type rectifier employing a snubber circuit, used as a front‐end converter stage in high‐power applications. The proposed rectifier operates with soft switching which results in high efficiency and low cost. The switching losses and electromagnetic interference (EMI) result in poor efficiency, therefore, soft switching techniques need to be developed to improve the efficiency. To achieve the desired result, the snubber circuit which consists of a lossless snubber switch cell and a resonant inductor, is introduced in the above‐mentioned converter. The topology of the proposed converter is derived from the conventional T‐type three‐level boost rectifier. The circuit operation, theoretical analysis, and simulation of the converter in MATLAB/Simulink environment are carried out. Finally, a 10 kW laboratory set‐up of the proposed soft‐switched unidirectional rectifier is built. The experimental results obtained validate the theoretical analysis of the circuit.
ISSN:1755-4535
1755-4543
DOI:10.1049/iet-pel.2018.5875