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 386
of the cast-steel spider; in the flywheel machines thepoles are mounted directly on the flywheelface. In some of the large machines therim of the revolving field is built up ofsteel laminations. In most machines thepole pieces are provided with dovetailprojections that fit into correspondingslots… … Fig. 125. Allis-Chalmers ChainWinding 346 TYPES OF GENERATORS AND MOTORS 101 Each pole piece carries a magnetizing coil held firmly in place be-tween the spider or flywheel rim and the projecting parts of thepole and end plates. The field coils are made of copper strip, edge-wise-wound. The…
Electrical engineering
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