A security technology of power relay using edge computing.

The purposes are to find the techniques suitable for the safety relay protection of intelligent substations and discuss the applicability of edge computing in relay protection. Regarding relay protection in intelligent substations, edge computing and optimized simulated annealing algorithm (OSAA) ar...

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Autores principales:	Zhongqing Sang, Kai Yang, Rencheng Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d96ee18b62884a10aa8a3f5c877b658c
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id	oai:doaj.org-article:d96ee18b62884a10aa8a3f5c877b658c
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spelling	oai:doaj.org-article:d96ee18b62884a10aa8a3f5c877b658c2021-12-02T20:08:38ZA security technology of power relay using edge computing.1932-620310.1371/journal.pone.0253428https://doaj.org/article/d96ee18b62884a10aa8a3f5c877b658c2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0253428https://doaj.org/toc/1932-6203The purposes are to find the techniques suitable for the safety relay protection of intelligent substations and discuss the applicability of edge computing in relay protection. Regarding relay protection in intelligent substations, edge computing and optimized simulated annealing algorithm (OSAA) are combined innovatively to form an edge computing strategy. On this basis, an edge computing model is proposed based on relay fault traveling waves. Under different computing shunt tasks, OSAA can converge after about 1,100 iterations, and its computing time is relatively short. As the global optimal time delay reaches 0.5295, the corresponding computing time is 456.27s, apparently better than the linear search method. The proposed model can reduce the computing time significantly, playing an active role in the safe shunting of power relays. The simulation also finds that the voltage and current waveforms corresponding to the fault state of Phase A are consistent with the actual situations. To sum up, this model provides a reference for improving and optimizing intelligent substation relay protection.Zhongqing SangKai YangRencheng ZhangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0253428 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zhongqing Sang Kai Yang Rencheng Zhang A security technology of power relay using edge computing.
description	The purposes are to find the techniques suitable for the safety relay protection of intelligent substations and discuss the applicability of edge computing in relay protection. Regarding relay protection in intelligent substations, edge computing and optimized simulated annealing algorithm (OSAA) are combined innovatively to form an edge computing strategy. On this basis, an edge computing model is proposed based on relay fault traveling waves. Under different computing shunt tasks, OSAA can converge after about 1,100 iterations, and its computing time is relatively short. As the global optimal time delay reaches 0.5295, the corresponding computing time is 456.27s, apparently better than the linear search method. The proposed model can reduce the computing time significantly, playing an active role in the safe shunting of power relays. The simulation also finds that the voltage and current waveforms corresponding to the fault state of Phase A are consistent with the actual situations. To sum up, this model provides a reference for improving and optimizing intelligent substation relay protection.
format	article
author	Zhongqing Sang Kai Yang Rencheng Zhang
author_facet	Zhongqing Sang Kai Yang Rencheng Zhang
author_sort	Zhongqing Sang
title	A security technology of power relay using edge computing.
title_short	A security technology of power relay using edge computing.
title_full	A security technology of power relay using edge computing.
title_fullStr	A security technology of power relay using edge computing.
title_full_unstemmed	A security technology of power relay using edge computing.
title_sort	security technology of power relay using edge computing.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/d96ee18b62884a10aa8a3f5c877b658c
work_keys_str_mv	AT zhongqingsang asecuritytechnologyofpowerrelayusingedgecomputing AT kaiyang asecuritytechnologyofpowerrelayusingedgecomputing AT renchengzhang asecuritytechnologyofpowerrelayusingedgecomputing AT zhongqingsang securitytechnologyofpowerrelayusingedgecomputing AT kaiyang securitytechnologyofpowerrelayusingedgecomputing AT renchengzhang securitytechnologyofpowerrelayusingedgecomputing
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A security technology of power relay using edge computing.

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