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 231
sed voltage, is open to some objection. Such aresistance is liable to seriously affect the wave form of the electro-motive force, thereby causing its maximum value to bear a differentand unknown ratio to its effective value. The most approved wayof securing voltage control is by adjusting the field… … ALTERNATING-CURRENT MACHINERY 191 Tests of dielectric strength are made with voltages rangingfrom 11 to 10 times the rated terminal voltage of a piece of apparatus,according to the rated voltage and output of the apparatus. Forexample, a transformer of any output whose rated terminal vol-tage is…
Electrical engineering
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