500kV主变压器断路器继电保护方法设计  

Design of Relay Protection Method for 500 kV Main Transformer Circuit Breaker

作　　者：崔伟 CUI Wei(NR Engineering Co.,Ltd.,Nanjing 211102,China)

机构地区：[1]南京南瑞继保工程技术有限公司,江苏南京211102

出　　处：《通信电源技术》2024年第10期46-48,共3页Telecom Power Technology

摘　　要：主变压器作为电力传输的核心设备,其安全运行与否影响着整个电力系统的稳定性。文章详细介绍继电保护系统的基本原理与应用,探讨不同类型故障对继电保护设计的影响,介绍差动保护和过电压保护等500 kV主变压器断路器继电保护方法。最后,验证500 kV主变压器断路器继电保护方法的应用效果,展示该系统在各种故障场景下的响应时间、误动作率、漏动作率以及动作准确性。Main transformer as the core equipment of power transmission,its safe operation or not affects the stability of the whole power system.The article introduces the basic principle and application of relay protection system in detail,discusses the influence of different types of faults on relay protection design,and introduces the 500 kV main transformer circuit breaker relay protection methods such as differential protection and over-voltage protection.Finally,the application effect of the 500 kV main transformer circuit breaker relay protection methods is verified,demonstrating the response time,false action rate,leakage action rate,and action accuracy of the system under various fault scenarios.

关 键 词：500 kV主变压器 断路器 继电保护 

分 类 号：TM595[电气工程—电器] TM561