浅析500kV智能变电站三跳失灵回路的设计  

Brief Analysis the Genera Circuit Design of Failure Protection of Three-phase Trip in 500kV Smartsubstation

作　　者：冯顺[1] 曲欣[1] 王毅[1] 葛琳朝[1] 王铮[1] 

机构地区：[1]国网河南省电力公司检修公司,郑州450000

出　　处：《电气技术》2017年第6期120-122,127,共4页Electrical Engineering

摘　　要：本文介绍了目前500kV 3/2接线的智能化变电站三跳起动失灵虚端子回路的通用设计,分析了其虚端子回路设计存在的缺陷,并提出完善虚端子回路的设计方案,通过比较得出结论,采用断路器智能终端TJR的三条起动失灵的虚端子设计方案更为简单和可靠。This paper introduces the general circuit design of failure protection of three-phase trip in 500 kV 3/2 connection smartsubstation, analyzes the defects of its virtual terminal circuit design, and puts forward the design scheme of perfecting the virtual terminal circuit. By comparison, the virtual terminal circuit design of failure protection of three-phase trip of using smartterminal TJR is more simple and reliable.

关 键 词：智能化变电站 3/2接线 缺陷 三跳起动失灵 智能终端TJR 

分 类 号：TM63[电气工程—电力系统及自动化]