Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 280
eld. In the smallmachines, when the shunt- and series-field leads are the samesize, the two fields may be determined by testing with a lamp.The lamp will burn brightly through the series field and dimlythrough the shunt field. After the motor has been connectedit is advisable to make a test to… … Fig. 287.—Armature lead disconnected to test connections of compound-wound motor. Fig. 287; then close the switch and move the starting arm tothe first contact, as shown by the dotted line. If the connec-tions have been made properly, and the switch is opened orthe starting-box arm allowed to drop…
Electric machinery
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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