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Tribological process of brush wearing

100%

Ekinovic S. , Zaimovic V.

2008

tom Vol. 29, nr 3

125-130

The brushes are used for transmission of electric current from or to rotating surfaces depending on the type of electrical machines. Besides the process of current transmission, what is significant for the brushes is the tribological process, which is the subject of the experiment. The brush was exposed to a planned experiment and a regression and correlation analyses of tribological process of brush wearing relative to the time were undertaken. The interdependency has been tested and determined by regression analysis and by correlation analysis, the connection between the length of wearing Y of the examined brush and observing time X, taken in mode of statistics agglomerates. The wearing of brushes in practice varies relative to the time. The variations may result in extreme wearing of brushes, changes in the current transmission - arcing of brushes and the like.