Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 254
rque is required. Inother words, a motor is required that has speed characteristicsof a shunt machine and the torque characteristics of a seriesmachine. To meet such requirements, what is known as acompound motor is used, which is nothing more nor less thana shunt machine with the addition of a… … Fig. 250.—Connection diagram of compound motor and starting box. be seen that the shunt winding, ^^, is connected across the line,the same as in Fig. 249, and the series winding S is connectedin series with the armature, as in Fig. 248. The same startingbox is used on both the shunt- and…
Electric machinery
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