Convention, Volume 5;Volume 39;Volume 62 |
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Halaman 15
... standard transformer in making tests . Simultaneous voltmeter readings are then taken on the second- aries of the standard and the transformer under test . The pri- mary voltage is calculated from the known ratio of the standard ...
... standard transformer in making tests . Simultaneous voltmeter readings are then taken on the second- aries of the standard and the transformer under test . The pri- mary voltage is calculated from the known ratio of the standard ...
Halaman 17
... standard transformer or the one under test must be measured as well as their difference , and calculations for ratio of the transformer under test be made from the measured sec- ondary voltage , the difference between the two secondary ...
... standard transformer or the one under test must be measured as well as their difference , and calculations for ratio of the transformer under test be made from the measured sec- ondary voltage , the difference between the two secondary ...
Halaman 21
... standard , a circular transformer core was wound with pri- mary and secondary of equal number of turns , such that ... standard for checking transformers of other ratios . In order to establish standards of different ratios , the pri ...
... standard , a circular transformer core was wound with pri- mary and secondary of equal number of turns , such that ... standard for checking transformers of other ratios . In order to establish standards of different ratios , the pri ...
Isi
INTRODUCTION | 5 |
INDICATING INSTRUMENT Methods for Testing CURRENT | 11 |
TWO WATTHOUR METER METHOD OF TESTING INSTRUMENT | 26 |
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Istilah dan frasa umum
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 clinker coal coil compound condenser conductors connected considerable construction cost current transformers deg fahr distribution duct efficiency electrification Employees energy equipment finger furnace fuse glove hydro-electric inches increase installed instrument transformers insulation interest joint kilowatts 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 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