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 75
flowing towards it from the preceding coil. In Fig. 59, coilC would be the one to have the short circuit removed; and B would bethe preceding coil. Then segment 3 will pass out of contact with thebrush without a spark attempting to follow. Resistance during Reversal. Let us assume that during… … Fig. 60. Ideal Commutation Curve mutation will be as shown in Fig. GO, C representing the value of thecurrent to be commutated, 0, the instant when commutation com-mences, and Ty the period requisite for this action. Here the cur-rent gradually diminishes to zero at the middle of the…
Electrical engineering
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