Convention, Bagian 3 |
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Halaman 5
... measured is the difference be- tween the two secondary voltages , which difference in general would be only a few volts . As the lower end of the scale of an alternating - current voltmeter is practically useless , this small voltage ...
... measured is the difference be- tween the two secondary voltages , which difference in general would be only a few volts . As the lower end of the scale of an alternating - current voltmeter is practically useless , this small voltage ...
Halaman 73
... measured , the watts will be only 3.75 , so that the volt box may be left in circuit as long as circumstances require . On each volt box may be found the constants to be used . The e . m . f . referred to on these marking plates is ...
... measured , the watts will be only 3.75 , so that the volt box may be left in circuit as long as circumstances require . On each volt box may be found the constants to be used . The e . m . f . referred to on these marking plates is ...
Halaman 435
... measuring water . It is customary to state in the specifications of a water- wheel installation contract under the guarantees of performance that the discharge shall be measured by standard weir , using Francis formula . This of course ...
... measuring water . It is customary to state in the specifications of a water- wheel installation contract under the guarantees of performance that the discharge shall be measured by standard weir , using Francis formula . This of course ...
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3-phase Alternating Current alternating-current ammeter amperes apparatus boiler cable capacity cent Chairman circuit coal coil Committee condenser conductor connected construction cost DEMAND INDICATOR designed device direct current distribution diversity factor duct economizer Edison efficiency Elec Electric Company engine equipment feeder Francis turbine fuel fuses gates governor effort ground hydro-electric inductive industry installation instrument insulators kilowatts lamps Light & Power lightning arresters load machine manholes manufacturers maximum ment method miles motor oil switches operation Overhead Line Pacific panels phase pipe plant polyphase potentiometer Power Company practice present pressure pump railway regulation rheostat rules safety secondary short-circuit shunt single-phase standard station steam street substation supply surface condenser switchboard synchronous condensers temperature tion trans transmission turbine unit Utah voltage voltmeter volts water power water wheel water-power watthour meter wattmeter Westinghouse wire