河北南网220kV及以上系统继电保护设备本体缺陷统计分析

Analysis on the Relay Device Proper Defects of 220 kV and Above Systems in Hebei South Network

对河北南网近年在电网运行及检修中发现并处理的继电保护设备本体缺陷进行整合、统计和分析,并提出了缺陷处理建议和设备检修策略,为继电保护设备的选型、定期检验及设备管理提供依据。

In accordance with the problems discovered in the overhaul and defects in the proper of relay protection, statistics and analysis on the defects of relaying device were found and eliminated during the operating and repairing of Hebei South network. The author puts forwards the treatment proposal and device repair tactics, provides the basis for the model selection, regular repair and management of relay devices.