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 76
hown in detail in Fig. 61, the brush beingwide enough to span one commutator bar. In this case 10 amperes flow from either side of the armatureto the brush, the latter leading away 20 amperes. Suppose thebrush area to be one sq. in.; then, when the commutator is in theposition indicated by Fig. 61…
Electrical engineering
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