Electrical Engineering  2021, Vol. 22 Issue (12): 78-83    DOI:
Technology & Application Current Issue| Next Issue| Archive| Adv Search |
Research on intelligent substation protection test technology based on fault recording and playback
LI Han, SONG Yu, CHU Haoxiang
State Grid Jiangsu Electric Power Co., Ltd Maintenance Branch Company, Nanjing 211202

Download: PDF (1191 KB)   HTML (1 KB) 
Export: BibTeX | EndNote (RIS)      
Abstract  In recent years, the intelligent substation is further improved and optimized. The idea of intelligent and standard relay protection has emerged. With the continuous improvement and unification of technical specifications, the testing methods and communication forms of intelligent substation protection devices have changed a lot. A large amount of testing work needs to be carried out in the factory, and the conventional testing methods of relay protection cannot meet the large-scale testing requirements of the factory. The above problems bring new challenges to the testing of intelligent substation protection. In order to solve the problems above and meet the on-site maintenance-free requirements, this paper researches the existing protection detection technology and analyzes the advantages of the detection experiment using the playback of the fault recording file compared with the conventional dynamic/static mode detection experiment. A set of standard analyzing procedure suitable for different fault recording devices is designed. In addition, in order to meet the needs of different types of intelligent substation protection devices using fault recording file playback detection, three kinds of synchronous playback technologies are studied and the specific application scope of each synchronous playback technology is analyzed.
Key wordsintelligent substation      detection technology      fault recording      message analysis      synchronous playback     
Received: 08 July 2021     
Service
E-mail this article
Add to my bookshelf
Add to citation manager
E-mail Alert
RSS
Articles by authors
LI Han
SONG Yu
CHU Haoxiang
Cite this article:   
LI Han,SONG Yu,CHU Haoxiang. Research on intelligent substation protection test technology based on fault recording and playback[J]. Electrical Engineering, 2021, 22(12): 78-83.
URL:  
https://dqjs.cesmedia.cn/EN/Y2021/V22/I12/78
Copyright © Electrical Engineering
Supported by: Beijing Magtech