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《Experimental Technology and Management》 2017-05
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Improvement of self-oscillation circuit by single-tube induction heating

Chi Shangyang;Li Yuling;Yao Yingying;Zhang Shiyao;College of Electrical Engineering,Zhejiang University;  
In view of the defects such as IGBT non zero voltage switch(ZVS),the large increase of the pulse rate,the increase of IGBT loss,etc.,in the commonly-used low cost single-tube induction heating power,the operational mechanism of the power supply is analyzed in detail,and the essential reason that the circuit can't realize the ZVS is found.The method to realize the ZVS of the power supply by increasing the fixed delay is proposed,and the delay time range of the circuit is theoretically analyzed and deduced.Finally,aproper scheme to realize the fixed time delay is presented by increasing the number of comparators.An experimental platform for the 1 kW single-tube induction heating is established.The experimental results prove the correctness of the theoretical analysis and the effectiveness of the method.The theory and experimental platform can be used for a comprehensive experiment for the basic course of power electronic technology.
【Fund】: 国家自然科学基金项目(51277164)
【CateGory Index】: TM924
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 ;Analysis of Single-switch Resonant Inverter[J];电力电子技术;1995-03
【Co-citations】
Chinese Journal Full-text Database 4 Hits
1 Chi Shangyang;Li Yuling;Yao Yingying;Zhang Shiyao;College of Electrical Engineering,Zhejiang University;;Improvement of self-oscillation circuit by single-tube induction heating[J];实验技术与管理;2017-05
2 LIU Xizhen1, ZHOU Wenjun1, SONG Qinghong2, HUANG Guoyuan2,SU Yingzi1(1. College of Information Science and Engineering, Wenzhou University , Wenzhou 325027,China; 2. School of Electrical Engineering and Energy, Tianjin University, Tianjin 300072,China);Topology Research on IGBT QuasiResonance Circuit for Induction Cooker Control[J];天津大学学报;2002-06
3 Song Mingli (Neijiang Teachers College,Neijiang,Sichuan,641000),Cheng Lunming(Southwest University of Science and Technology,Mianyang,Sichua,621002 );Applied Research of Single on-off Resonant Inverter[J];绵阳经济技术高等专科学校学报;2001-04
4 By Song Mingli (Department of physics,Neijiang Teachers college,Neijing 641112)[HJ6mm];Resonance-Inverting Direct Current High-voltage Generator[J];内江师范学院学报;2001-02
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