GTO is conventionally driven on a high enough amplitude and steepness with its current leading edge of drive circuit, which applies positive gate current for openness and negative current for shutoff.

• 摘要可关断晶闸管(GTO)要求其驱动电路提供的驱动电流的前沿应有足够的幅值和陡度，且一般需要在整个导通期间施加正门极电流，关断需施加负门极电流，幅值和陡度要求更高。