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http://dx.doi.org/10.5207/JIEIE.2002.16.3.020

Characteristics analysis of time sharing method VVVF type high frequency resonant inverter  

조규판 (김천대학교 전기과 겸임교수)
원재선 (김천대학교 전기과 겸임교수)
남승식 (김천대학교 전기과 겸임교수)
심광렬 (김천대학교 전기과 겸임교수)
배영호 (김천대학교 전기과 겸임교수)
김동희 (김천대학교 전기과 겸임교수)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.16, no.3, 2002 , pp. 20-28 More about this Journal
Abstract
This paper describes the time sharing type high frequency resonant inviter can be used as power of induction heating. This closed inverter can be obtained output frequency three times than switching frequency by composing three unit inviter of conventional Half-Bridge serial resonant inverter in parallel with input power source also, this reduce switching loss because it has ZVS function. The analysis of the proposed circuit is generally described by using the normailized proposed parameters. The principle of basic operating and the its charasteristics are extimated by the parameters such as switching frequency($\mu$), the variation of Phase angle($\phi$) of Phase-shift. Experimental results are presented to verify theoretical discussion. This preposed inverter will be able to be prastically used as a power supply in various fields as induction, heating application, DC-DC converter etc.
Keywords
Time Sharing Method; VVVF Type; ZVS Funtion; Normalized Parameter;
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