某电厂继电保护分析设计及其应用  

Power Plant Relay Protection Analysis Design and Application Practice

作　　者：刘佰龙 Liu Bailong(Guodian Power Datong Power Generation Co.,Ltd.,Datong Shanxi 037043,China)

机构地区：[1]国电电力大同发电有限责任公司

出　　处：《现代工业经济和信息化》2024年第12期128-130,共3页Modern Industrial Economy and Informationization

摘　　要：对某电厂低压电动机、低压馈线及低压用变压器、高压电动机及高压用馈线进行分析设计,并对该电厂继电保护体系中出现的零序保护及定子接地问题提出改进建议,实现继电保护系统设备能够有效、快速切除故障,且应用后的电压合格率达98.9%,供电可靠性达99.95%。A power plant low-voltage motor,low-voltage feeder and low-voltage transformer,high-voltage motor and high-voltage feeder analysis and design,and the power plant relay protection system of zero sequence protection and stator grounding problems to improve the proposal,to achieve the relay protection system equipment can be effective,rapid fault removal,and after the application of the voltage qualification rate of 98.9,the reliability of power supply of 99.95.

关 键 词：继电保护 电流速断保护 磁平衡纵差保护 

分 类 号：TM77[电气工程—电力系统及自动化]