Convention, Volume 5;Volume 39;Volume 62 |
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Halaman 14
... method as compared with the ammeter method are due to two causes : 1 Wattmeter scales are much more uniform than am- meter scales , permitting fairly accurate readings to be taken on low ranges . 2 A wattmeter of given capacity will ...
... method as compared with the ammeter method are due to two causes : 1 Wattmeter scales are much more uniform than am- meter scales , permitting fairly accurate readings to be taken on low ranges . 2 A wattmeter of given capacity will ...
Halaman 16
... method impracticable for ordinary use . COMPARATOR VOLTMETER METHOD FOR MEASURING RATIO AND PHASE ANGLE OF POTENTIAL TRANSFORMERS The 1915 Committee , in its report , presented a method for testing potential transformers under the ...
... method impracticable for ordinary use . COMPARATOR VOLTMETER METHOD FOR MEASURING RATIO AND PHASE ANGLE OF POTENTIAL TRANSFORMERS The 1915 Committee , in its report , presented a method for testing potential transformers under the ...
Halaman 26
... method , two 5500 to 110 - volt potential transformers were compared at three second- ary loads . The test was then repeated , using an accurate lab- oratory method . The values for ratio by the two methods agreed to within 0.02 , 0.05 ...
... method , two 5500 to 110 - volt potential transformers were compared at three second- ary loads . The test was then repeated , using an accurate lab- oratory method . The values for ratio by the two methods agreed to within 0.02 , 0.05 ...
Isi
INTRODUCTION | 7 |
TWO WATTMETER METHOD FOR TESTING CURRENT TRANS | 13 |
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 clinker coal coil compound condenser conductors connected considerable construction cost current transformers deg fahr Diesel engine distribution duct efficiency Employees energy 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 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