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Прогнозирование отказов и планирование резерва запасных элементов, аппаратов и оборудования распределительных электрических сетей 10 кВ

Прогнозирование отказов и планирование резерва запасных элементов, аппаратов и оборудования распределительных электрических сетей 10 кВ

Abstract

The article considers the equipment, devices, and power transformers failures of 10 kV distribution grids affected by different factors connected with the weather conditions in different months of the year. We have obtained the regression equations that connect equipment, devices, and power transformers failures with factors affecting them. The research allowed revealing and describing the intensity of failures typical of seasonable exploitation of distribution grids. The regression equations and functional dependence of failures intensity obtained by use of forecasting probability models allowed assessing the number of spare parts, devices and equipment for distribution grids according to months and seasons of the year. The proposed methods of planning spare parts allow to optimize their reserves in terms of the period of their exploitation, sufficiency principle, as well as to determine priorities in financing the creation of reserves.

Рассмотрены вопросы отказов элементов, аппаратов и силовых трансформаторов в распределительных сетях 10 кВ в зависимости от воздействующих факторов по месяцам года. Получены уравнения регрессии, связывающие интенсивности отказов элементов, аппаратов, оборудования и воздействующих факторов. Исследования позволили выявить и описать интенсивность отказов для наиболее характерных периодов года эксплуатации электрических сетей. Полученные уравнения регрессии и функциональные зависимости интенсивности отказов с использованием разработанных вероятностных моделей прогнозирования позволили провести оценку числа запасных элементов, аппаратов и оборудования для распределительных сетей по месяцам и сезонам года. Предложенная методика планирования запасных элементов позволяет оптимизировать эти запасы с учетом сезонности эксплуатации, принципа достаточности и определять приоритет в финансировании средств на формирование резерва.

Keywords

РАЗРЯДНИКИ, ИЗОЛЯТОРЫ, СИЛОВЫЕ ТРАНСФОРМАТОРЫ, ЭЛЕКТРИЧЕСКИЕ АППАРАТЫ, ЭЛЕКТРИЧЕСКИЕ СЕТИ, УРАВНЕНИЕ РЕГРЕССИИ, ЗАПАСНЫЕ ЭЛЕМЕНТЫ, ПРОГНОЗИРОВАНИЕ

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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
gold
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