电气技术  2019, Vol. 20 Issue (1): 73-76    DOI:
技术与应用 |
断路器三相不一致保护新型控制回路
柏文健, 岑荣佳
贵州电网有限责任公司都匀供电局,贵州 都匀 558000
New control circuit of three-phase inconsistent protection for circuit breaker
Bai Wenjian, Cen Rongjia
Duyun Power Supply Bureau of Guizhou Power Grid, Duyun, Guizhou 558000
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摘要 本文提出一种新型三相不一致保护控制回路,该保护控制回路增加了继电器和触点的数目并改变了原有的拓扑结构。对比传统三相不一致控制回路中存在的器件易老化、时间继电器可靠性差等不足,本回路具有对器件依赖性低,防老化性能更好、可靠性更高的特点。同时针对电网故障排查中遇到的时间继电器校准存在的步骤复杂、需要断电等问题进行了简单的探讨和 分析。
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关键词 断路器三相不一致保护时间继电器控制回路    
Abstract:This article describes a new type of three-phase inconsistent protection control loop. The new type of protection control loop not only increases the number of relays and contacts but also changes the original topology. When compares with the traditional loop, it is easy to age the existing devices, and the reliability of the time relay is not high enough. This new circuit has low device dependency, better anti-aging performance, and higher reliability. At the same time, a simple discussion and analysis are made on the problems that the time relays which encountered in the grid such as the complicated steps and the necessity of power interruption.
Key wordscircuit breaker    three-phase inconsistent protection    time relay    control circuit   
收稿日期: 2018-05-30      出版日期: 2019-01-15
作者简介: 柏文健(1993-),男,贵州省独山县,大学本科,助理工程师,主要研究方向为继电保护。
引用本文:   
柏文健, 岑荣佳. 断路器三相不一致保护新型控制回路[J]. 电气技术, 2019, 20(1): 73-76. Bai Wenjian, Cen Rongjia. New control circuit of three-phase inconsistent protection for circuit breaker. Electrical Engineering, 2019, 20(1): 73-76.
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https://dqjs.cesmedia.cn/CN/Y2019/V20/I1/73