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 309
position in the mould in which the magnet frame is to be cast.In casting the magnet frame, the molten metal flows around theends of the poles so that, on cooling, one solid mass results. If thecast welded joint is perfectly made, it results in a better magnetic 272 TYPES OF GENERATORS AND MOTORS 27… … 9- ^ Eh S ^ a a> P. •S S C O o J For some of the ratings of these generators the use of commutat-ing poles has been found desirable. These are of solid steel, rec-tangular in cross section and carrying lugs on the ends to supporttheir windings. The purpose of the commutating poles is to…
Electrical engineering
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