IGBT超音频感应加热电源相位跟踪的研究  

Research on Phase Tracing for Superaudio Induction Heating Power Supply Using IGBT

作　　者：杨军[1] 周伟松[1] 王培清[1] 周景春[1] 

机构地区：[1]清华大学,北京100084

出　　处：《电力电子技术》2004年第4期1-2,5,共3页Power Electronics

摘　　要：介绍了传统并联谐振感应加热电源相位跟踪技术的工作原理,分析了实际工况中影响相位跟踪的几个主要因素。针对IGBT串联二极管承受反压值变化过大的问题,提出了通过直接检测IGBT串联二极管两端电压,实现其反压控制的方法。并对该方法的设计原理与实验结果进行了分析。This paper introduces the working principles of parallel resonance superaudio induction heating power supply,analyzes major factors which effect the phase tracing in operating mode.In order to solve the problem about the variety of negative voltage on the diode series with IGBT,a circuit was designed to implement the negative voltage control.The operating principle,circuit design and experiment results are introduced.

关 键 词：感应加热/相位跟踪 反压控制 

分 类 号：TM924.01[电气工程—电力电子与电力传动]