Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 643
shoAVs the method of connecting three-wire, single-phase Westing-house Avattmeters to three-Avire circuits. All three-Avire, single-phase Westinghouse Avattmeters, for circuits ex-ceeding 400 amperes per side, are connected in this manner. Fig. 35 shows the method of connecting polyphase… … The following illustration shows the method of connecting polyphaseWestinghouse wattmeters to three-phase circuits. All polyphase Westinghouse wattmeters for three-wire, three-phasecircuits of 400 volts or less, and of 80 amperes or less, are connected in thismanner.
Electrical engineering
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