| 500kV线路单侧差动保护跳闸原因分析及对策 |
| |
| 引用本文： | 解红刚,;张毅,;段钧,;杨建中.500kV线路单侧差动保护跳闸原因分析及对策[J].内蒙古电力技术,2014(2):59-61. |
| |
| 作者姓名： | 解红刚 ;张毅 ;段钧 ;杨建中 |
| |
| 作者单位： | [1]内蒙古超高压供电局,呼和浩特010080; [2]内蒙古电力(集团)有限责任公司,呼和浩特010020 |
| |
| 摘 要： | 某500 kV线路YN线发生纵联差动保护单侧跳闸动作,通过对装置录波波形分析,原因是雷电对线路干扰冲击,造成线路主保护单侧跳闸。建议对保护装置的算法进行优化,同时采用更加灵敏的避雷器,以保证500kV主网的安全稳定运行。
|
| 关 键 词： | 500 kV线路 纵联差动保护 雷电波 单侧动作 |
Analysis of Unilateral Differential Protection Trip on 500 kV Line and Its Countermeasures |
| |
| Affiliation: | Xie Honggang, Zhang Yi, Duan Jun, Yang Jianzhong (1.1nner Mongolia EHV Power Supply Bureau, Hohhot 010050; 2.Inner Mongolia Power (Group) Co.,Ltd., Hohhot 010020) |
| |
| Abstract: | The occurrence of a 500 kV YN-line longitudinal d tripping unilateral action, through the device recorded waveform anal interference on the line due to lightning, causing the side trips of the ifferential Y li sis, the protection impact of ne primary protect Suggested to optimize algorithm of the protection devices, using a more sensitive lightning arrester, to ensure stable operation of the 500 kV main grid. |
| |
| Keywords: | 500 kV line longitudinal differential protection lightning wave unilateral action |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
