基于IGBT中频感应加热电源的研究

The research of a mid-frequency heating power supply based on IGBT

中频电源已广泛应用于工业加热领域。结合实际讨论了一种新型晶闸管感应加热电源主电路结构及工作原理,该电源采用成熟的变频技术,由全控型器件构成串联谐振式逆变电路,解决了工频加热效果差和浪费电能等问题,具有功率调节范围宽,频率变化小的优点,适用于中小功率系统。

Medium-frequency power supply has been widely used in industrial heating.The structure and working principle of the main circurt in a novel intermediate frequency induction heating supply are discussed according to practice,This power supply makes use of the frequency changeable technique,and series resonant inverter circuit has been made up by full controlled device.It resolves the low efficiency and wasting power in the work-frequency heating.This method has the advantages of wide area of power modulation and little change of frequency,it adapts to medium power supply system.