Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 240
^s^Pbs/Hon •— —I 3 -^ Ground Fig. 385.—Diagram showing methods of operation of preventive coils. These preventsparking and short-circuit currents when the voltage is varied by connecting to different tapsfor the auto transformer or compensator. Contacts c/osect / 2 3 4 5 e 7 9 9 <o / • • • • • •… … Fig. /fe/ofe ^rmafuras. ^ufra//z/r>gr•/r>cfir>giS 386.—Diagram of connections for Westinghouse a.c. series motor tap control. 226 WIRING DIAGRAMS OF ELECTRICAL APPARATUS 7 TPv/ Conto/c^ c/osed -oo ^^^•^#1443^ 7-.- -- __ •«tf 3» • • • ••« ,■»! • • • •••• ■4 •• • • • • •• A • • • • • •••…
Electric wiring
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