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为防止雷电电磁脉冲或其他强电磁脉冲耦合过电压进入电源线毁坏电子设备,研究分析了电磁脉冲耦合的特点,设计了一种带双重隔离的单相交流电源隔离防护电路,并对实验电路进行仿真;依据仿真结果搭建了功率为2 k W的实验样机,并进行高电压检测。测试结果表明,该样机对雷电电磁脉冲和其它强电磁脉冲耦合过电压具有较好的防护效果,能有效提升雷达等武器装备的全天候作战能力,减小军事和经济损失。
In order to prevent lightning electromagnetic pulse or other strong electromagnetic pulse coupling over voltage into the power line to destroy the electronic equipment, the characteristics of the electromagnetic pulse coupling are studied and analyzed, a single phase AC power isolation protection circuit with double isolation is designed, and the experimental circuit Simulation. Based on the simulation results, an experimental prototype with a power of 2 k W was built and high voltage detection was carried out. The test results show that this prototype has better protection effect for lightning electromagnetic pulse and other strong electromagnetic pulse coupling overvoltages, and can effectively improve the all-weather combat capability of the radar and other weapons and equipment and reduce the military and economic losses.