
基本信息:
- 专利标题: 一种反应单相接地短路的距离继电器及动作方法、装置
- 专利标题(英):Distance relay for reflecting single-phase ground short circuit and movement method and device
- 申请号:CN201610048914.4 申请日:2016-01-25
- 公开(公告)号:CN105514955A 公开(公告)日:2016-04-20
- 发明人: 周生奇 , 贾亚军 , 撖奥洋 , 张滨 , 董林 , 刘惠群 , 刘同同 , 高岩 , 牛庆达 , 夏天宇 , 齐仁磊 , 胡薇 , 陈静 , 史先好 , 沈昂 , 王燕 , 刘玡朋 , 芮树玲 , 罗鲁东 , 于立涛
- 申请人: 国网山东省电力公司青岛供电公司 , 国家电网公司
- 申请人地址: 山东省青岛市市南区刘家峡路17号
- 专利权人: 国网山东省电力公司青岛供电公司,国家电网公司
- 当前专利权人: 国网山东省电力公司青岛供电公司,国家电网公司
- 当前专利权人地址: 山东省青岛市市南区刘家峡路17号
- 代理机构: 北京三聚阳光知识产权代理有限公司
- 代理人: 张建纲
- 主分类号: H02H7/26
- IPC分类号: H02H7/26 ; H02H7/22
The invention discloses a method and device for movement of a distance relay and the distance relay for reflecting a single-phase ground short circuit. The method comprises the following steps of obtaining movement criterion comparative quantity, calculating theta 1, theta 2, theta 3 and theta 4 respectively, and judging whether it is true that 0 degree<=theta1<=180 degrees, 180 degrees<=theta 2<=360 degrees, 0 degree<=theta 3<=180 degrees and 180 degrees<=theta 4<=360 degrees; when 0 degree<=theta1<=180 degrees, 180 degrees<=theta 2<=360 degrees, 0 degree<=theta 3<=180 degrees and 180 degrees<=theta 4<=360 degrees, generating signals for enabling the distance relay to move. According to the method and device for movement of the distance relay and the distance relay for reflecting the single-phase ground short circuit, the phase comparison criterion is simple, the reliability is high, and the distance relay has very high transition resistance resisting capability and can automatically judge fault phases.
IPC结构图谱:
H | 电学 |
--H02 | 发电、变电或配电 |
----H02H | 紧急保护电路装置 |
------H02H7/00 | 当出现正常工作条件的不希望有的变化时能完成自动切换的,专用于特种电机或电设备的或专用于电缆或线路系统分段保护的紧急保护电路装置 |
--------H02H7/26 | .电缆或线路系统的分段保护,例如当发生短路、接地故障或电弧放电时切断一部分电路 |