电力系统保护与控制Issue(10)：119-124,6.
智能变电站合并单元延时特性现场测试仪的设计
Design of field testing instrument for merging unit delay characteristics in smart substation
倪兆瑞 1王延安2
作者信息
- 1. 华北水利水电大学，河南 郑州 450046
- 2. 济南供电公司，山东 济南 250001
- 折叠
摘要
Abstract
The synchronization of merging unit in smart substation and limitations of the method of validating whether the current at each side of differential protection is synchronous by using on-site phase and differential current check are analyzed. The design requirements of field testing instrument with merging unit delay characteristics of smart substation is proposed. The system structure and the detailed design of field testing instrument is introduced based on the design requirements. Finally, the detailed calculation and comparative analysis of tester time granularity and the time response with the merging unit is done. Analysis shows that, the tester can validate that the merging unit delay parameters are set correctly, which can prevent incorrect setting and accord with the site acceptance requirements.关键词
合并单元/延时特性/测试仪/时间粒度/设计/现场测试Key words
merging unit/delay characteristics/testing instrument/time granularity/design/field testing分类
信息技术与安全科学引用本文复制引用
倪兆瑞,王延安..智能变电站合并单元延时特性现场测试仪的设计[J].电力系统保护与控制,2014,(10):119-124,6.
