气体绝缘变电站快速瞬态过电压及缓解技术研究

2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015] Pub Date : 2015-03-19 DOI:10.1109/ICCPCT.2015.7159278

Nikhil Pathak, T. Bhatti, Ibraheem

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引用次数: 3

摘要

气体绝缘变电站在开关操作过程中产生的快速暂态过电压对与变电站相连的设备是非常危险的。在特殊情况下，这些暂态可能会超过GIS的基本绝缘电平(BIL)。本文研究了400千伏地理信息系统不同敏感位置的暂态电压。利用EMTDC/PSCAD软件计算GIS的vftto。因此，VFTOs的抑制也是一个重要的研究领域。本文还讨论了降低vfto的抑制技术。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Study of very fast transient overvoltages and mitigation techniques of a gas insulated substation

The very fast transient overvoltages (VFTOs) generated due to switching operations of gas insulated substations (GIS) are dangerous to the equipments connected to the substations. In special cases these transients may cross the Basic Insulation Level (BIL) of the GIS. In this paper, these transient voltages are investigated at the different sensitive locations of a 400 KV GIS. VFTOs of the GIS are calculated using EMTDC/PSCAD software. Hence, the suppression of the VFTOs is also an important field of interest. The suppression techniques to reduce the VFTOs are also discussed in this paper.

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2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015]

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