Convention, Volume 5;Volume 39;Volume 62 |
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Halaman 12
... amperes by secondary amperes being the ratio of trans- formation . 2 The second method is quite similar , except that the pri- mary amperes are determined by means of a standard trans- former of known ratio with an ammeter in its ...
... amperes by secondary amperes being the ratio of trans- formation . 2 The second method is quite similar , except that the pri- mary amperes are determined by means of a standard trans- former of known ratio with an ammeter in its ...
Halaman 13
... amperes secondary current , it is necessary to use lower range ammeters in the secondary circuit . Such am- meters will ordinarily have a much greater impedance than the 5-10 ampere range , and unless the change is in some way com ...
... amperes secondary current , it is necessary to use lower range ammeters in the secondary circuit . Such am- meters will ordinarily have a much greater impedance than the 5-10 ampere range , and unless the change is in some way com ...
Halaman 23
... amperes through the coil to a lamp load . This exciting current must not be drawn from either of the two transformers whose ratios are to be compared , but must come from the secondary of any other available transformer connected to the ...
... amperes through the coil to a lamp load . This exciting current must not be drawn from either of the two transformers whose ratios are to be compared , but must come from the secondary of any other available transformer connected to the ...
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PAGE | 5 |
INDICATING INSTRUMENT METHODS FOR TESTING CURRENT | 11 |
TWO WATTHOUR METER METHOD OF TESTING INSTRUMENT | 26 |
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Accident Prevention alternating current ammeter amperes apparatus belt boiler Bureau of Standards cable capacity cent Central Committee central power central station Chairman Chicago circuit City coal coil compound condenser conductors connected considerable construction cost current transformers deg fahr Diesel distribution duct efficiency electrification Employees energy engine equipment finger furnace fuse glove hydro-electric inches increase installed instrument transformers insulation interest joint lamps lightning arresters load manhole manufacturers member companies ment method Niagara Falls obtained operation Organization Overhead Line phase angle plants poles potentiometer Power Company power house practice present pressure primary pump railroad railway ratio recommendations rheostat River rubber secondary Secretary steam steam turbine stoker street substation supply temperature terminals TESCO tion trans transmission trouble tubes turbine United utilized voltage voltmeter volts water power water-power watthour meters wattmeter wire