雷暴活动条件下电压互感器的研究

2020 3rd International Youth Scientific and Technical Conference on Relay Protection and Automation (RPA) Pub Date : 2020-10-22 DOI:10.1109/RPA51116.2020.9301737

E.F. Khakimzianov, M. N. Simonova, R. Galiev, A. Sharipova

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引用次数: 0

摘要

雷电放电是电网外部过电压的来源之一。雷电(大气)过电压分为两种:•直接雷击对电网载流元件的过电压(直接雷击的过电压);•在架空电线或电气开关设备附近的雷击(感应电压浪涌)，这是由雷电通道与载流和接地网元的相互电磁连接引起的。

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Investigation of a Voltage Transformer in Conditions of Thunderstorm Activity

One of the sources of external overvoltage in electrical networks is lightning discharges. Lightning (atmospheric) overvoltage is divided into two types: • direct lightning strike to current-carrying elements of the electrical network (overvoltage of direct lightning strike); • lightning strike near an overhead electric line or electrical switchgear (induced voltage surge), which is caused by the mutual electromagnetic connection of the lightning channel with current-carrying and grounded network elements.

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2020 3rd International Youth Scientific and Technical Conference on Relay Protection and Automation (RPA)

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