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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 102

An illustration from 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, leaf 102
e actualB=H curve of the material of the teeth is knowTi, these new quantitiesshould be placed in the equation given above, and new curves drawn. 85 76 DIRECT-CURRENT DYNAMOS Example of Calculation. In order that the foregoing rules maybe clearly understood, and to exemplify the use of the curves… … O Section 0-Y Fig. 99. Part of Magnetic Circuit of a Six-Pole Machine Assuming that 12,500,000 lines are required to produce the ratede. m. f. in the armature, let us determine the ampere-turns requiredper pair of poles to produce this flux in the armature. Taking a meanvalue for the dispersion…

Electrical engineering

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