International Library of Technology · Scranton, International Textbook Co. · leaf 162
the full-load current of the motor. Thisgives a field which does not change greatly in strength for aconsiderable range of load, and thus tends to make the speedvary less with changes in the load, and also keeps the motorfrom sparking at moderate loads, on account of the strongfield obtained.… … Fig. 1418.extent on constant-current circuits. We will thereforeexamine briefly the action of the motor on such a circuit.Fig. 1418 shows a series motor M. connected in an arc-lightcircuit, the current in A/hich is kept at a constant value bymeans of a regulator on the dynamo D. Since the…
Electrical engineering
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