IGBT高压大功率驱动和保护电路的应用研究 关键词：IGBT；驱动保护电路；电源 [gap=566]Keywords：IGBT；Driven and Protection circuit；power supply
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The principle of the driven and protection circuit for IGBT is briefly introduced.
简要介绍了绝缘栅双极晶体管IGBT驱动保护电路的原则。
UC3846 is used for PWM, pulse transformer driven by bridge can transfer signal and power for IGBT in main circuit, quick protection is necessary for short circuit often happen during brush plate.
本文采用UC 3846作为PWM发生器，桥式驱动的脉冲变压器既保证信号的传输，又保证足够功率驱动全桥逆变主电路。对于经常发生短路刷镀刷镀工艺，快速过电流保护非常必要。
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