数字化通信下500kV变电站线路保护自动化方案设计  

Design of Line Protection Automation Scheme for 500 kV Substation Under Digital Communication

作　　者：吕英杰 冯哲 LYU Yingjie;FENG Zhe(Inner Mongolia UHV Power Supply Company,Hohhot 010000,China)

机构地区：[1]内蒙古超高压供电公司,内蒙古呼和浩特010000

出　　处：《通信电源技术》2025年第4期65-67,共3页Telecom Power Technology

摘　　要：通过分析500 kV变电站的运行特性,强调高压电力系统对保护精度和实时性的高要求,详细介绍了线路保护、主变保护、母线保护的自动化方案设计,并探讨了3种保护方案的工作原理和实现方式。最后,通过实验证实3种保护方案在多方面均表现出较高的性能,为500kV变电站的智能化升级提供了有效支持。By analyzing the operation characteristics of 500 kV substation,the high requirements of high voltage power system for protection accuracy and real-time performance are emphasized.The automatic scheme design of line protection,main transformer protection and bus protection is introduced in detail,and the working principles and implementation methods of three protection schemes are discussed.Finally,the experiments show that the three protection schemes have high performance in many aspects,which provides effective support for the intelligent upgrade of 500 kV substation.

关 键 词：数字化通信 500KV变电站 线路保护 

分 类 号：TM63[电气工程—电力系统及自动化]