Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 455
to the quotient of the electromotive force ofrotation A J by the flux; assuming the flux to be proportional to the current,the speed is proportional to AJjOA, i.e. approximately to cotan 0. Thepower-factor cos ^ increases therefore with increasing speed. This is obviousfrom the fact that the energy…
Electrical engineering
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