. Cassier's magazine. uccessfuloperation of the Gold King mill duringa great part of the year at pressures from30,000 to nearly 60,000 volts, as wellas by continuous electrification for nearlya month during dry weather of a three-mile telephone circuit, upon telegraphinsulators, at pressures rising from 10,-000 to 40,000 volts. The change of the system from singleto polyphase terminated actual trans-mission experiments. The reducingtransformer was moved to the station,and another equipment, designed forpolyphase tests, was ordered. The re-maining time was devoted to open cir-cuit losses, and t
. Cassier's magazine. uccessfuloperation of the Gold King mill duringa great part of the year at pressures from30,000 to nearly 60,000 volts, as wellas by continuous electrification for nearlya month during dry weather of a three-mile telephone circuit, upon telegraphinsulators, at pressures rising from 10,-000 to 40,000 volts. The change of the system from singleto polyphase terminated actual trans-mission experiments. The reducingtransformer was moved to the station,and another equipment, designed forpolyphase tests, was ordered. The re-maining time was devoted to open cir-cuit losses, and to the verification ofmeasurements previously made. Thiswork continued until August, 1897,when construction was begun upon theProvo plant Much of the data obtained from theseexperiments was incomplete, requiringcaution in its use, due largely to thetime and study required in solving, stepby step, the problems and difficultiesmet at every stage of the work. How-ever, that much of value was obtained 188 CASSIERS MAGAZINE. PIONEER WORK IN POWER TRANSMISSION
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