Convention, Volume 5;Volume 39;Volume 62 |
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Halaman 14
The advantages of the wattmeter method as compared with the ammeter method are due to two causes : 1 Wattmeter scales are much more uniform than ammeter scales , permitting fairly accurate readings to be taken on low ranges .
The advantages of the wattmeter method as compared with the ammeter method are due to two causes : 1 Wattmeter scales are much more uniform than ammeter scales , permitting fairly accurate readings to be taken on low ranges .
Halaman 16
TWO WATTMETER METHOD FOR TESTING POTENTIAL TRANSFORMERS In the same manner that wattmeters may be substituted for ammeters in testing current transformers , they may likewise be substituted for voltmeters in the testing of potential ...
TWO WATTMETER METHOD FOR TESTING POTENTIAL TRANSFORMERS In the same manner that wattmeters may be substituted for ammeters in testing current transformers , they may likewise be substituted for voltmeters in the testing of potential ...
Halaman 26
To test the accuracy of the foregoing method , two 5500 to 110 - volt potential transformers were compared at three ... The values for ratio by the two methods agreed to within 0.02 , 0.05 and 0.08 per cent for the three loads , which ...
To test the accuracy of the foregoing method , two 5500 to 110 - volt potential transformers were compared at three ... The values for ratio by the two methods agreed to within 0.02 , 0.05 and 0.08 per cent for the three loads , which ...
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TWO VOLTMETER METHOD FOR TESTING POTENTIAL TRANS | 16 |
TWO WATTHOUR METER METHOD OF TESTING INSTRUMENT | 26 |
RECENT DEVELOPMENTS | 36 |
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