【摘要】 从500k V线路双通道分相电流差动保护的应用现状着手,详细分析比较了国内主流保护厂家双通道分相电流差动保护的压板投退及通道告警机制,并提出了改进方案,提高了告警机制的合理性和运行检修的便利性。更多还原

【Abstract】 Based on the application status of 500 k V line dual-channel phase current differential protection,this paper analyzes and compares the strap operation and channel warning mechanisms of dual-channel phase current differential protection in the mainstream protection manufacturers in China. The improvement scheme is proposed to enhance the rationality of the warning mechanism and the convenience of operation maintenance.更多还原