高压直流气体绝缘变电站(GIS)

2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132) Pub Date : 2000-10-15 DOI:10.1109/CEIDP.2000.884054

F. Messerer, W. Boeck

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引用次数: 33

摘要

本文研究了高压直流系统气体绝缘变电站的优化问题。直流系统的电场分布主要受介质电导率k的控制。表面电荷积聚导致磁场畸变。为了防止这种现象在这种系统的间隔上，导电涂层已经实现。调查是用真正的145 kv - gis设置进行的。该实验装置可以证明表面涂层对场分布的影响。采用边界元法(BEM)进行了数值计算，研究了表面电阻率和表面电荷对隔震器场分布的影响。测量、模拟和讨论了未涂覆隔离片上的电荷积累。有了涂覆的间隔片，就有可能防止这种充电。

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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Gas insulated substation (GIS) for HVDC

The paper deals with the topic of a Gas Insulated Substation (GIS) optimized for HVDC. The electric field distribution of DC systems is mainly controlled by the conductivity k of the dielectric media. Surface charge accumulation leads to field distortion. In order to prevent this phenomenon on the spacer of such systems, a conducting coating has been realised. Investigations are made with a real 145 kV-GIS-setup. The influence of the surface coating on the field distribution can be proved with this experimental setup. Numerical calculations based on the Boundary-Element-Method (BEM) are made to investigate the influence of surface resistivity and surface charge on the field distribution of a spacer. The charge accumulation on an uncoated spacer is measured, simulated and discussed. With a coated spacer it is possible to prevent this charging.

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2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132)

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