越南500千伏电网的临时过电压

Proceedings of EMPD '98. 1998 International Conference on Energy Management and Power Delivery (Cat. No.98EX137) Pub Date : 1998-03-03 DOI:10.1109/EMPD.1998.705529

S. Lam-Du, T. Tran-Quoc, N. Nguyen-Khac, R. Feuillet, J. Sabonnadiere, Q. Nguyen

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引用次数: 3

摘要

本文研究了越南500kv系统的暂态过电压(TOV)问题。介绍了越南系统中变压器、线路等元件的建模方法。可以产生高TOV水平的几个事件，例如三相负载拒绝，并联电抗器中断的单相开闸，串联电容器的旁路或变压器的断开等，都可以在EMTP程序的帮助下进行检查。最后，提出了限制设备上TOV电平的大小和持续时间的方法。

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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Temporary overvoltages in the Vietnam 500 kV network

This paper investigates the temporary overvoltages (TOV) in the Vietnam 500 kV system. The modeling of transformers, lines and other elements in the Vietnam system is presented. Several events that can produce high TOV levels, such as three-phase load rejections, single-phase opening with the outage of a shunt reactor, the bypassing of a series capacitor or the disconnecting of a transformer, etc., are examined with the help of the EMTP program. Finally, the methods of limiting the magnitude and duration of TOV levels applied to equipment are presented.

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Proceedings of EMPD '98. 1998 International Conference on Energy Management and Power Delivery (Cat. No.98EX137)

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