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 418
rooves for the binding wedges aremilled. The six-pole rotors are built up by bolting poles to a centralbody. The rotors are carefully balanced after they are wound. Insome designs, the rotor is pressed and keyed onto the shaft; in others,the shaft is formed of steel, cast or forged integral with… … Fig. 171. Westinghouse Four-Pole Rotor The field winding consists of copper strap embedded in slots cut inthe poles. The coils are wound directly in place under a heavytension. A groove is cut in each side of the slots and brass wedgesare driven in to hold the coils in place. The coils are heavily…
Electrical engineering
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