一种经济实用的数字控制保护电路

A Digital Protective Circuit That Is Economical and Practical

电力电子线路的核心多为大功率开关器件 ,其稳定安全运行至关重要 .文中利用逻辑门、触发器等数字器件功耗低、反应快、动作准确、抗干扰能力强的优势 ,对电力电子线路实施有效的过压过流保护 .推出一种实用的数字控制保护电路 .该方法经济可行 。

The core of electric power circuit probably is big power switch unit , and it's most important that it runs stably and safely . Using the advantages of digital units such as logic gate and trigger that is low power dissipation, quick response, exact action and strong anti jamming, the electric power circuit can be effectively protected from overvoltage and overcurrent . A practical digital protective circuit is educed , it is economical and doable , and its effect is credible and visible .