架空线路电流感应电动势对融冰电流均方根值的影响

2015 IEEE NW Russia Young Researchers in Electrical and Electronic Engineering Conference (EIConRusNW) Pub Date : 2015-05-07 DOI:10.1109/EICONRUSNW.2015.7102266

N. Korovkin, V. Goncharov, N. Silin

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引用次数: 2

摘要

冰覆盖对输电线路(TL)和地线(GW)构成了巨大的危险。它可能导致短路，甚至电线断裂。为了防止它，需要融冰程序。运行TL的电流对除冰过程的影响。建立了融冰回路的数学模型，使估计这种影响成为可能。对模型参数进行了说明和计算。考虑了主要的融冰图。介绍了融冰环路中感应电动势值的测定方法。比较了不同融冰图和相配置变量的融冰电流曲线。计算电流的均方根值。分析了两者的差异。并对今后改进模型的方法进行了描述。

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Influence of EMF induced by currents of overhead lines on RMS value of ice-melting current

Ice covering represents a huge danger for transmission lines (TL) and ground wires (GW). It may lead to short circuits and even wires' breakage. To prevent it, ice-melting procedure is required. The currents of operating TL influence on the de-icing process. A mathematical model of the ice-melting circuit was developed which makes possible the estimation of this influence. Parameters of the model are explained and calculated. The main ice-melting diagrams are considered. The methodology of determination of induced EMF value in ice-melting loop is described. Ice-melting current curves for different ice-melting diagrams and phases disposition variants are compared. RMS values of current are calculated. The difference is analyzed. Ways for future improvement of the model are described.

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来源期刊

2015 IEEE NW Russia Young Researchers in Electrical and Electronic Engineering Conference (EIConRusNW)

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