Inside Out Library
Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 61
Fig. 81.—Step-by-step potential regu-lating transformer for large currents. Theexciter voltage is added or subtractedthrough a series transformer. Se conatcj y~^WAA/V\AAAA/SA O -/■o/^G t^o^s^r* , -^ 0cxcM ^•©*# of ^e^ij^a^o* Bus Sars or- /t/iernareor: Fig. 82.—External connections of a… … /^e\/srss/- jFyv>ry£. i^/,e%/f Fig. 83.—Internal connections of the regulating transformer shown in Fig. 84. Thetransition from maximum boost to maximum lower, takes place in a definite number of steps.There being no air gap, the power-factor is practically unity. The contact arm is equippedwith…Electric wiring
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