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 390
are well insulated from the neigh-boring metal and securely held in position by the pole shoes. Theexciting current is fed into the field winding through carbon brushesand cast-iron collector rings. These rings are supported on a cast-iron hub from which they are suitably insulated. In the… … Fig. 130. 2000 K. ^. A. Coupled-Type AlternatorCourtesy of Crocker-Wheeler Company are mounted on the bearing or bearing bracket. All bearings arering-oiling, with caps that are easily taken off to permit the removalof the journal boxes. In the larger sizes the stator frame and bear-ing pedestals…
Electrical engineering
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