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Особенности концентрации напряженности электрического поля в обмотках электрических машин и ее влияние на надежность

Особенности концентрации напряженности электрического поля в обмотках электрических машин и ее влияние на надежность

Abstract

Рассмотрены и обобщены закономерности электрического старения и концентрации напряженности электрического поля (КНЭП) в корпусной изоляции электрических машин (ЭМ). Показано влияние КНЭП и конструктивных особенностей жестких обмоток ЭМ на надежность их изоляции. Рассмотрены известные (классические) и новый, разработанный автором, более простой и технологичный способ снижения местных перенапряжений в изоляции средних и крупных ЭМ. Mechanisms of electric aging and electric intensity concentration (EIC) in the frame insulation of electrical machines (EMs) are revealed and generalized. EIC action and EM fixed windings features influence on reliability of the winding insulation are shown. Well-known (classical) methods and a new simple and technologic way of local voltage surge reduction in insulation of average- and large-scale EMs, developed by the author, are considered.

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Keywords

electrical machine, winding insulation, reliability, жесткие обмотки, электродвигатели, электрическое старение, местные перенапряжения, lectric intensity concentration, электрические машины, корпусная изоляция

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green