Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 260
. 258. Tf it was desired to reveise tlie motor, theconnection at tiie armature terminals would be interchanged, TYPES OF DIRECT-CURRENT MOTORS 243 which would reverse the direction of the current through thearmature and the interpole windings. This is exactly as itshould be, since if the direction… … Fig. 256.—Four-pole interpole motor; one interpole for each pair of main poles. In the compound-wound interpole machine the interpolewinding is connected in the circuit between the armature andseries winding. The connections to a manual-type starter aregiven in Pig. 259. It will be seen that,…
Electric machinery
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