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 357
otor Armature Showing Ball BearingsCourtesy of Electro-Dynamic Company 316 TYPES OF GENERATORS AND MOTORS 71 permit the gradual approach to maximum field strength under thepoles. The interpoles are made of wrought iron or electrical steel.Main and interpole field coils are form-wound. The armature… … Fig. 88. Interp&le r.Iotor Applied to Electric Elevator ServiceCourtesy of Electro-Dynamic Company designed that the motor may be semi-enclosed or enclosed. It isalso manufactured with vertical shaft. Fig. 88 shows one of themany applications of this machine. These same frames with differ-ent…
Electrical engineering
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