场控功率器件变频信号隔离式驱动电路应用

Application of isolated driving circuits of variable frequency pulse signal in field-controlled power devices

本文论述了适用于场控功率器件变频信号的隔离式驱动电路 ,包括光耦隔离式驱动电路和磁耦隔离式驱动电路。分析了这类驱动电路的结构原理、特点及应用接线 ,并给出了试验波形。这类驱动电路在AC AC、DC AC、AC DC变换器中具有重要应用价值。

Isolated driving circuits of variable frequency pulse signals in field controlled devices are presented in this paper,which are classified into optocoupler isolated driving circuits and magneticcoupler isolated driving circuits.The principles, features and applications of this kind of driving circuits are presented, and the experimental waveforms are given.This kind of driving circuits has valuable applications on AC/AC, DC/AC and AC/DC converters.