一起燃机误上电保护动作案例分析  

Case analysis of a gas turbine inadvertent energization protection action

作　　者：纪虎军 赵俊杰 张灏 杨昭 JI Hujun;ZHAO Junjie;ZHANG Hao;YANG Zhao(Dongguan Shenzhen Energy Zhangyang Power Co.,Ltd,Dongguan,Guangdong 523637;Xi’an Thermal Power Research Institute Co.,Ltd,Xi’an 710054)

机构地区：[1]东莞深能源樟洋电力有限公司,广东东莞523637 [2]西安热工研究院有限公司,西安710054

出　　处：《电气技术》2021年第10期76-79,83,共5页Electrical Engineering

摘　　要：南方某电厂6号机组在整套起动过程中发生“误上电”保护动作。本文通过对其保护动作数据、动作过程、故障波形进行分析,得出故障及动作原因,对该机组的电气控制系统如何避免“误上电”误动作提出改进措施,并验证了改进措施的有效性。The protection action of“inadvertent energization”occurred in the whole starting process of the No.6 unit of a power plant in South China.In this paper,through analyzing the data of its protection action,the process of action and the fault waveform,the fault and the cause of action are obtained.The improvement measures for the electrical control system of the unit and how to avoid the wrong operation of“inadvertent energization”are put forward,and the effectiveness of the improvement measures is verified.

关 键 词：燃机 误上电 误动作 同期 

分 类 号：TM62[电气工程—电力系统及自动化]