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 128
the phaseconstant of the winding. When the winding is concentrated, the factor K is called theform factor of the electromotive force curve. This factor A^ dependsin general upon the manner in which the magnetic flux is distributed 110 ALTERNATING-CURRENT MACHINERY 99 in the air gap, and upon the… … rig. 103. Ideal Distribution ofMagnetic Flux Fig. 104. Armature Winding Diagram,Four Slots per Pole in practice—when the magnetic flux-density—that is, the fieldintensity in the gap space between the pole faces and the iron of thearmature core— is zero at the points a, Fig. 103, and when this…
Electrical engineering
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