Convention, Volume 5;Volume 39;Volume 62 |
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Halaman 17
The secondary voltage of either the 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 secondary voltage ...
The secondary voltage of either the 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 secondary voltage ...
Halaman 22
Considering this , your Committee deems it wise to present two methods that have been developed by the Bureau of Standards , at Washington , D. C. These methods employ commercial measuring instruments and standardized transformers and ...
Considering this , your Committee deems it wise to present two methods that have been developed by the Bureau of Standards , at Washington , D. C. These methods employ commercial measuring instruments and standardized transformers and ...
Halaman 121
TESTING CABLES DIRECT CURRENT TESTING SET A portable instrument , known as the Knopp direct - current line testing set has been used to good advantage to measure direct current in a single conductor cable without opening the circuit and ...
TESTING CABLES DIRECT CURRENT TESTING SET A portable instrument , known as the Knopp direct - current line testing set has been used to good advantage to measure direct current in a single conductor cable without opening the circuit and ...
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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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