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 415
374 TYPES OF GENERATORS AND MOTORS 129 Fig. 168, built up of thin steel plates assembled upon a mandrel andfirmly riveted together under hydraulic power. The poles are built … Fig. 167. Westinghouse Rotor Constructinn Showing Rolled-Steel PlateSpider and Dovetailed Pole Pieces in Position up of steel laminations of thesame thickness as those of thespider and riveted together.Each pole is dovetailed into thespider and retained by two tapersteel keys. The field coils…
Electrical engineering
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