Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 175
ped with no-load and over-load releases. Speeds below normal are obtained bj^ inserting resistance in the armature circuit,and above normal by inserting resistance in the field circuit. The no-load release operatesexactly as described in Fig. 258, and the overload, which is connected in series with… … Fig. 260.—Connections for combination starter and speed regulator. In starting the motor,move the levers Ai and Ao to the right, gradually cutting out resistance in series with thearmature, leaving the lever Ai locked by the no-load release magnet M. To increase the speed,move lever A2 to the left,…
Electric wiring
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