Impact of zero-voltage notches on outputs of soft-switching pulsewidth modulation converters

Document Type

Article

Publication Date

6-1-2011

Abstract

Motivated by the method to analyze the impact of dead time in hard-switching converters, this paper, for the first time, analyzes the impact of zero-voltage notches on the outputs of soft-switching pulsewidth modulation (PWM) converters. It proves that the output distortion of soft-switching converters due to their deviation voltage is independent of the direction of their output current. Hence, their compensation strategies require no sensor to detect the current's direction, which is required by dead-time compensation methods in hard-switching converters. A simple yet effective compensation algorithm is presented for soft-switching converters. The analysis result and effectiveness of the proposed algorithm are experimentally verified via a three-phase inverter that represents an important class of converters. © 2010 IEEE.

Identifier

79956284919 (Scopus)

Publication Title

IEEE Transactions on Industrial Electronics

External Full Text Location

https://doi.org/10.1109/TIE.2010.2058075

ISSN

02780046

First Page

2345

Last Page

2354

Issue

6

Volume

58

Grant

51077106

Fund Ref

National Natural Science Foundation of China

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