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首页> 外文期刊>電気学会論文誌 B:電力·エネルギー部門誌 >Development of Compressed Air Insulation Technology for C-GIS
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Development of Compressed Air Insulation Technology for C-GIS

机译:C-GIS压缩空气绝缘技术的发展

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摘要

We have developed cubicle-type gas-insulated switchgears (C-GISs) applying compressed air insulation technology. To apply the compressed-air insulation to the C-GISs, we identify whether breakdown in compressed air depends on the maximum field strength on high-voltage conductors, and specify the relationship between the breakdown field strength vs. non-uniformity of the electric field distribution of gaps. In this work we use three types of sample gaps to simulate the inside structure of an actual C-GIS. Field utilization factor, U is used to express the non-uniformity of electric field distribution of the sample gaps. As a result, for all types of sample gap, the breakdown field strength at the point where the maximum field is generated on the high-voltage electrode increases as U decreases. There is only small difference in the breakdown field strength among sample gaps that have the same value of U. From these results, we judge that insulation design based on both the field strength on high-voltage conductor and U is possible. Furthermore, we provide an example of actual insulation design applied to a developed C-GIS.
机译:我们已经开发出采用压缩空气绝缘技术的柜式气体绝缘开关设备(C-GIS)。为了将压缩空气绝缘应用于C-GIS,我们确定压缩空气中的击穿是否取决于高压导体上的最大场强,并指定击穿场强与电场不均匀性之间的关系。差距的分布。在这项工作中,我们使用三种类型的样本间隙来模拟实际C-GIS的内部结构。场利用率U用来表示样品间隙的电场分布的不均匀性。结果,对于所有类型的样品间隙,随着U减小,在高压电极上产生最大场的点处的击穿场强度增加。在具有相同U值的样品间隙中,击穿场强之间的差异很小。从这些结果,我们认为基于高压导体上的场强和U的绝缘设计是可行的。此外,我们提供了应用于已开发的C-GIS的实际绝缘设计的示例。

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