Interaction of multiple brushes on a slipring

Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts Pub Date : 1900-01-01 DOI:10.1109/33.148499

R. A. Burton, R. G. Burton

引用次数: 1

Abstract

The increase of contact resistance is calculated for brush contact on a slipring, segmented into a sequence of rectangular contact patches, evenly spaced. This approximates the condition of liquid-metal-wetted brushes where uniform contact may occur over the rectangular brush footprint. A Fourier series expansion shows that for wide spacing of the footprints a component of resistance arises from the fact that the current input is segmented. The resistance is mainly dependent upon the logarithm of spacing. As the separation becomes narrower than the contact bands, there is a drop in the segmentation component of resistance.<>

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滑轨上多个刷的相互作用

计算了滑块上的刷接触的接触电阻的增加，该滑块被分割成一系列均匀间隔的矩形接触块。这近似于液体金属湿刷的情况，在这种情况下，均匀接触可能发生在矩形刷足迹上。傅里叶级数展开表明，对于宽间距的足迹电阻分量产生的事实，即电流输入是分段的。电阻主要取决于间距的对数。当分离比接触带窄时，电阻的分割分量就会下降。

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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来源期刊

Electrical Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts

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