Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 434
body, which is spherical in shape, is a very thinlight paper shell mounted on a hollow steel shaft. Over this shellis wound a number of coils consisting of a great many turns of finewire with taps brought out at regular intervals and permanentlysoldered to the commutator bars. As the armature… … Fig. 91. Relation Between Commutator and Armature When Brushes Are at RightAngles to the Current Coils passes from one bar to the next. The correct relation of brushesto commutator for a meter of this type, whose brushes are at rightangles to the plane of the field coils, is shown in Fig, 91. When…
Electrical engineering
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