短路情况下封闭隔离相母线计算方法的研究

2016 IEEE 62nd Holm Conference on Electrical Contacts (Holm) Pub Date : 2016-10-01 DOI:10.1109/HOLM.2016.7780016

You Jiaxin, Wang Ruichao, Liang Huimin, Bao Longqing, W. Hongjian

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引用次数: 5

摘要

封闭隔离相母线(EIPB)作为同步发电机输出的第一个电力传输部分，对系统在短路情况下的稳定性起着重要的作用。母线的截面形状与电桥的动力稳定性有很大关系。本文首先分析了EIPB的解析计算模型。在解析模型的基础上，建立了有限元法及其模型。利用该模型对传统的矩形母线和圆形母线进行了计算。讨论了带壳、不带壳、交流等不同工况下的性能，并以圆形截面EIPB为例，讨论了传递电流比与电动力安全性的关系。

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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Research on the calculation methods of enclosed isolated phase bus-bar in short-circuit condition

The enclosed isolated phase bus-bar (EIPB), which is the first power transmission part of synchronous generator output, plays an important role in the stability of the system in short circuit conditions. The section shape of bus-bar has very big relation with the dynamic stability of EIPB. In this paper, an analytical calculation model of EIPB is analyzed firstly. Based on the analytical model, the finite element method (FEM) and its model is established. The traditional rectangle bus-bar and circle bus-bar are calculated using this model. The performances under different conditions are discussed: with enclosures and without enclosures, AC. Taking the circle section EIPB for example, the relationship between the ratio of transfer current and the electrodynamic force safety are also discussed.

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2016 IEEE 62nd Holm Conference on Electrical Contacts (Holm)

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