fault investigation and operation strategy of dry type air-core reactor in severe cold environment

Fehleruntersuchung und Betriebsstrategie trockenisolierter Luftdrosselspulen in extrem kalter Umgebung

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ID: 148331
2020
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Abstract
The influence of extreme climate such as severe cold temperature on power transmission system can not be ignored, the low temperature could cause complicated mechanical and dielectric deterioration to electrical materials and devices. In China’s recent operation experience of reactors, it is found the burning fault rate of dry type air-core reactors in cold northeast region was obviously higher than that of other regions, which had inflicted negative impact on substation equipment and personnel safety. To tackle with the problems and prevent potential faults, typical fault characteristics and mechanism at low temperature, the specific influence of low temperature on materials and reactor performance, as well as corresponding operation strategies would be studied and proposed in this paper.
Der Einfluss extremer klimatischer Bedingungen wie strenger Kälte auf Energieübertragungssysteme darf nicht vernachlässigt werden, da tiefe Temperaturen komplexe mechanische und dielektrische Degradationen bei elektrischen Werkstoffen und Betriebsmitteln hervorrufen können. Jüngste Betriebserfahrungen mit Drosselspulen in China haben gezeigt, dass die Brandfehlerrate trockenisolierter Luftdrosselspulen in der kalten Nordostregion deutlich höher war als in anderen Regionen, was negative Auswirkungen auf die Betriebsmittel von Umspannwerken sowie die Personensicherheit hatte. Um diesen Problemen zu begegnen und potenzielle Fehler zu verhindern, werden in dieser Arbeit typische Fehlermerkmale und -mechanismen bei tiefen Temperaturen, der spezifische Einfluss von Kälte auf Werkstoffe und die Leistungsfähigkeit der Drosselspulen sowie entsprechende Betriebsstrategien untersucht und vorgeschlagen.
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lin2020e3sfault Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Wang Lin, Liang Jianquan, Hao Wenguang, Wang Hongyu
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Journal asian economic and financial review
Year 2020
DOI
10.1051/e3sconf/202018202010
URL
https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/42/e3sconf_cpeee2020_02010.pdf
Keywords
environmental sciences

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