Switched capacitor snubber-assisted zero current soft switching PWM high frequency inverter with two-lossless inductive snubbers

Manal H. Hashem, Nabil A. Ahmed, Eiji Hiraki, Tarek Ahmed, Khairy Fathi, Hyun Woo Lee, Mutsuo Nakaoka

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Abstract

In this paper, a novel type of auxiliary switched capacitor assisted edge resonant soft switching PWM series load resonant high frequency inverter with two auxiliary edge resonant lossless inductor snubbers is proposed for small consumer induction heating appliances. The operation principle of this high frequency inverter is described using the switching mode equivalent circuits. This newly developed multi resonant high frequency inverter using trench gate IGBTs can regulate its high frequency output AC power under a principle of constant frequency edge-resonant soft switching commutation by asymmetrical PWM control scheme. The high frequency power regulation and actual power conversion efficiency characteristics of consumer brand-new IH products that use the proposed soft switching PWM series load resonant high frequency inverter are evaluated. The practical effectiveness and operating performances of the newly proposed soft switching inverter are discussed as compared with the conventional soft switching high frequency inverters based on simulation and experimental results from an application point of view.

Original languageEnglish
Title of host publicationProceedings of the International Conference on Power Electronics and Drive Systems
Pages198-204
Number of pages7
Publication statusPublished - Dec 1 2005
Externally publishedYes
EventSixth International Conference on Power Electronics and Drive Systems, PEDS 200 - Kuala Lumpur, Malaysia
Duration: Nov 28 2005Dec 1 2005

Publication series

NameProceedings of the International Conference on Power Electronics and Drive Systems
Volume1

Other

OtherSixth International Conference on Power Electronics and Drive Systems, PEDS 200
CountryMalaysia
CityKuala Lumpur
Period11/28/0512/1/05

Keywords

  • Auxiliary lossless snubbing inductor
  • Auxiliary switched capacitor
  • Consumer induction heating
  • High frequency power conversion
  • Series capacitor compensator load resonant circuitry
  • Single-ended push-pull inverter
  • Zero current soft switching

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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