Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 189
f the e.m.f. generated by the machine that is 178 PEACTICAL APPLIED ELECTRICITY le Dy being excited. The field current is adjusted in value Dychanging the value of the resistance in the field circuit, whichis accomplished by what is known as a field rheostat, or bychanging the e.m.f. of the… … Fig. 137 (G). The field of the main generator may be connected toeither the storage battery (B) or the small generator (E),which is called the exciter. A rheostat (R2) is connected inseries with the field of the generator (E) and by means of thisrheostat the voltage generated in the armature of the…
Electrical engineering
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