Improved circuit of AC choppers for single-phase systems

Nabil Abd El-Latif Ahmed*, Kenji Amei, Masaaki Sakui

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

22 Scopus citations

Abstract

In this paper, an improved circuit of AC choppers for single-phase systems are proposed and investigated. This new circuit employs a DC chopper modulated switch with a diode bridge rectifier and two switches to provide freewheeling path for the load current when the modulated switch is off. The attractive feature of this improved circuit is that, it uses only a single modulated switch. The improved circuit has many advantages compared with the conventional ac choppers such as simple design requirements, easy implementation, higher power capacity, fast dynamic response, high reliability, high power factor, low cost, low switching loss and consequently high efficiency. By digital simulation several characteristics are investigated.

Original languageEnglish
Pages907-912
Number of pages6
StatePublished - 1997
EventProceedings of the 1997 Power Conversion Conference. Part 2 (of 2) - Nagaoka, Jpn
Duration: 1997/08/031997/08/06

Conference

ConferenceProceedings of the 1997 Power Conversion Conference. Part 2 (of 2)
CityNagaoka, Jpn
Period1997/08/031997/08/06

ASJC Scopus subject areas

  • General Engineering

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