柬埔寨甘再PH3电站22 kV施工变压器接地故障分析及处理技术  

Analysis and Processing Technology for Grounding Fault of 22kV Construction Transformer of Kamchay PH3 Power Station in Cambodia

作　　者：朱海华 ZHU Haihua(Mechanical & Electrical Installation Sub-Bureau, Sinohydro Bureau10 Co., LTD, Dujiangyan, Sichuan, 610072)

机构地区：[1]中国水利水电第十工程局有限公司机电安装分局

出　　处：《四川水力发电》2019年第4期52-55,共4页Sichuan Hydropower

摘　　要：通过对甘再PH3电站一起22kV施工变压器接地故障进行处理,发现该电站在设计上存在缺陷。通过校验保护装置、收集资料、实地勘查、对保护动作过程进行分析,最终未改动电气设备的布置,采取了灵活的方式、通过修改线路保护定值处理了该缺陷。During the treatment for grounding fault of 22 kV construction transformer in Kamchay PH3 Power Station, it is found that the design of the power station is defective. By checking the protection device, collecting data, field investigation and analyzing the process of protection action, the defects were finally recovered in a flexible way by modifying the fixed value of line protector without changing the layout of electrical equipment.

关 键 词：柬埔寨甘再PH3电站 施工变压器 故障 处理 

分 类 号：TV7[水利工程—水利水电工程] TV52