A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 123
ature, that is, in an arm-ature the coils of which are connected in a closedcircuit, the collecting brushes rest on the commu-tator cylinder at the neutral line, or on the diame-ter of commutation. In an open-circuited armature, however, wherethe coils are independent of each other, thecollecting… … Fig. IJ4> Diameter of Commutation. term, the diameter of commutation is that diameteron the commutator which joins the points of con-tact of the collecting brushes. The neutral linenn, Fig. 154, it will be noticeddoes not occupy a vertical position, but is dis-placed somewhat in the direction of…
Electricity · Electrical engineering
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