Full master localized transformer protection realization plan

Abstract

Abstract:

To enhance the speed and reliability of existing intelligent substation transformer protective device, a full master type distributed localized transformer protection plan was introduced. Protection submachine was provided to each side of transformer. Submachines communicated with each other by internal high speed loop network. Each submachine was equipped with full protective function. Switch will be tripped through cable if protection behavior activated. Based on the overall plans comparison, triple layer network communicating mechanism, remote humanmachine interface and other key technologies were discussed.

Key words:

intelligent substation, transformer, protection device, full master type, distributed type, localized, communication mechanism, humanmachine management

HU Bing1,2, GUO Xiao1,2, CHEN Fufeng1,2, LI Yuping1,2, XING Wu1,2, WANG Zhe1,2.

Full master localized transformer protection realization plan

[J]. Huadian Technology, 2017, 39(9): 23-26.

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Full master localized transformer protection realization plan

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