A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 151
occur at the nega-tive brush B. Theoretically, the neutral points, where thebrushes rest, would be in the vertical line coincid-ing with that of the gap between the poles. Aninspection of the figure shows that the neutralline, or the diameter of commutation, is dis-placed in the direction of… … Fig 181 Cause of Lead of Brushes* and those of the armature, the result of which isto displace the field magnet poles, and to cause achange in the density in the field. This is shownin Fig, 181, where the density of the lines of forceindicates the position of the diameter of commu- tation as being…
Electricity · Electrical engineering
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