Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 278
on. Careshould be taken always to remove the jumper between the fieldand armature connections and to connect it to the oppositearmature connections with the line wire. This mistake isoften made on machines which have their leads connected tothree terminals, as in Fig. 283. Under these conditions,… … Fig. POWCR. 283.—Shunt motor having only three terminals, connected to start- ing box. Connecting Up Compound Motor.—The connections of acompound motor are not necessarily more complicated thanthose of a series or shunt machine when the compoundmachine is viewed as only a series motor with a…
Electric machinery
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