Local distributed busbar protection ability analysis

Abstract

Abstract:

This paper introduced existing distributed busbar protection plans, and compared localized distributed busbar protection and traditional centralized busbar protection based on reliability, speed, selectivity and sensitivity. By analysis and test, these two methods have same performance of selectivity and sensitivity. Local distributed busbarprotection is more reliable, fasterand more convenient of installation and maintenance than traditional busbar protection. Through the comparison of various performance, distributed bus protection has the potential to replace the traditional centralized bus protection. Which is the developing direction of new generation intelligent substation busbar protection.

Key words:

intelligent substation, relay protection, localizating, distributed busbar protection, looped network, hostless

CHEN Qi1,2, CHEN Fufeng1,2, ZHANG Yao1,2, WANG Yongxu1,2, TANG Zhiguo1,2.

Local distributed busbar protection ability analysis

[J]. Huadian Technology, 2017, 39(6): 6-9.

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Local distributed busbar protection ability analysis

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