基于开关电源电磁兼容CS101项目解决方案

EMC CS101 Project Solution Based on Switching Power Supply

针对开关电源电磁兼容CS101不通过的情况,结合工程实践经验分析了开关电源自激振荡的原因,给出了RC电路解决方案。通过电磁兼容摸底试验,开机状态和稳定状态下的电应力分析以及电磁兼容试验条件下的电路仿真,确定了RC电路参数,并给出结构方案,具有实用价值和借鉴意义。

In view of the failure of CS101 in switching power supply,the reason of switching power from excitation oscillation is analyzed in combination with engineering practice experience,and the RC circuit solution is given.Through the electromagnetic compatibility test,the electrical stress analysis in the starting state and stable state,and the circuit simulation under the electromagnetic compatibility test condition,the RC circuit parameters are determined,and the structure scheme is given,which has practical value and reference significance.