主变差动保护动作分析实例  

Example of Analysis on Main Transformer Differential Protection Action

作　　者：杨锐 买正中 YANG Rui;MAI Zhengzhong(Gansu Minxian Liujialang Hydropower Co. , Ltd. , Minxian 748400, China)

机构地区：[1]甘肃省岷县刘家浪水电有限责任公司,甘肃岷县748400

出　　处：《中国水能及电气化》2021年第10期50-52,共3页China Water Power & Electrification

摘　　要：比率制动式差动保护是主变压器的主保护之一。文章介绍了刘家浪水电站一号主变压器主保护“比率制动式差动保护”动作后的故障现象、问题查找步骤、原因分析,提出了故障处理措施,确保了主变压器安全可靠运行。Ratio-restrained differential protection is one of the main protections of the main transformer.The fault phenomenon,problem finding steps and cause analysis after operation of the“ratio-restrained differential protection”-No.1 main transformer of Liujialang Hydropower Station are introduced in the paper.The fault handing measures are proposed to ensure the safe and reliable operation of the main transformer.

关 键 词：主变 比率制动式差动保护 故障处理 

分 类 号：TV734[水利工程—水利水电工程]