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 243
dX7iXlXf-^2p Assuming in our case, ^jr = 0.72, and B^ = 46,000, we have $ = 46,000 X 45 X 13 X 3.1416 X 0.72 ^ 8 = 7,600,000 as the assumed flux entering the armature. The value thus foundwill require adjustment after Z has been determined, the fundamentalequation of dynamo-electric machines being… … coo K = m 204 DIRECT-CURRENT DYNAMOS Number of Armature Conductors. Having obtained a trialvalue for the magnetic flux per pole, we can compute the correspond-ing value for Z from the preceding formula, adjusting $ and Zuntil the latter comes out properly for the winding selected, TableX, page 114.…
Electrical engineering
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