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 389
core, and outthrough holes in the external surface of the cast-iron frame. Thiscirculation of air over the windings, around the core, and through 348 TYPES OF GENERATORS AND MOTORS 103 the core ducts, insures a uniform and low temperature throughout allparts. The laminations have the slots punched… … Fig. 129. Belted-Type Alternating-Current General n I wnii DmCourtesy of Crocker-Wheeler Company -Connected Exciter are then closed by magnetic bridges that fit between grooves in thesides of the teeth. These bridges serve the a^uble purpose of firmlyretaining the coils in the slots and giving the…
Electrical engineering
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