定子冷却水泵电动机保护改造

Renovation of Relay Protection of Stator Cooling Water Pump Motor

托电1号机定冷水泵曾发生过保护误动,给机组安全运行构成威胁。鉴于此,该公司决定对该保护系统进行改造,多方讨论决定使用苏州智能公司的电动机智能控制器ST 500作为保护装置,现1A定冷水泵电机已经更换为该保护装置。

Relay protection for stator cooling water pump of unit 1 had experienced malfunction in Datang International Tuoketuo Power Generation Co. Ltd which is a potential threat to the safe operation of the unit. Therefore,the company decided to upgrade the relay protection and use Intelligent controller ST500 as motor protection which was made by Suzhou Intelligent Company. Now such protection had applied on 1A cooling water pump to replace the old one.