2MHz_1kW超高频感应加热电源.pdf

第36 卷第6 期 电力电子技术 Vol.36, o. 6 2002 年12 Power Electronics December,2002 2MHz/ 1kW超高频感应加热电源 沈锦飞, 惠 晶, 吴 雷 ( , 214036) : MOSFET , PWM , E DC/AC ,2MHz/ 1kW , :; / :TM924.5 :A : 1000- 100X( 2002)06- 0013- 003 2MHz/ 1kW Ultra-high Frequency Induction Heating Power Supply SHE Jin-fei, HUI Jing, WU Lei ( Souther n Yang tz e Univ ersity , Wux i 214036, China) bstract:Using thefifth generation power MOSFET as switch element, high frequency switched PWM controller as core and class E two elements resonant high-frequency DC/ AC converter, the 2MHz/ 1kW ultrahigh frequency induction heating power supply has been developed. The switch frequency of the converter can outstrip 2MHz. Its main circuit, control circuit and driving circuit are analyzed. T he experimental results are given. Keywords:converter; inductive heating; ultra-high frequency 1 , , 0. 5mm , 0.5mm , , , 2MHz ,, , [1] [3] , , E ,, DC/ AC , E DC/ AC 1VQ VQ MOSFET MOSFET , 1 2 [ 2] , L 0 , , C0 , L 0 C 0 , C1 , VQ VQ 1 2 2 E DC/ AC ,MOSFET , , U U VQ VQ ,, g1 g2 1