Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 268
tance will again be decreasedand the current increased, all the time the speed of, andvoltage at, the armature terminal is rising, until all the resist-ance is cut out and full voltage is applied to the armature ter-minal. Starting- Boxes.—Figs. 267 and 268 show two types ofstarting boxes in common… … Fig. 267.—Four-terminal starting box.
Electric machinery
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