Thoroughly research the front door coupling protection and back door coupling protection of ground radar system according to the harm mechanism, the harm way and the possible harm result of the strong electromagnetic pulse weapon. 主要根据强电磁脉冲武器的危害机理、危害途径和可能的危害结果从地面雷达系统的前门耦合防护、后门耦合防护等方面进行深入研究。
An analysis was made on frequent trip failures of 3 000 kW back pressure turbo-generator unit due to wrong wiring of the power directional relay. Causes of the protection system's misoperation and solutions were given. 分析了3000kW背压汽轮发电机因功率方向继电器接线错误引起的频繁误跳闸事故,并指出了保护误动作的原因和改正的方法。