Convention, Volume 5;Volume 39;Volume 62 |
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Halaman 14
... wattmeter 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 ...
... wattmeter 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 ...
Halaman 16
... Wattmeter Method of Testing Potential Transformers . " This method was developed by H. B. Brooks , Associate ... wattmeter , the current winding for this wattmeter being excited by a current of constant value in phase with the potential ...
... Wattmeter Method of Testing Potential Transformers . " This method was developed by H. B. Brooks , Associate ... wattmeter , the current winding for this wattmeter being excited by a current of constant value in phase with the potential ...
Halaman 25
... wattmeter constants are those previously referred to , and the 150 - volt potential circuit is in use , so that one ... wattmeter corresponds to 3 minutes ; by using the 75 - volt range of the wattmeter , 0.1 division will correspond to ...
... wattmeter constants are those previously referred to , and the 150 - volt potential circuit is in use , so that one ... wattmeter corresponds to 3 minutes ; by using the 75 - volt range of the wattmeter , 0.1 division will correspond to ...
Isi
INTRODUCTION | 7 |
TWO WATTMETER METHOD FOR TESTING CURRENT TRANS | 13 |
Two WATTHOUR METER METHOD OF TESTING INSTRUMENT | 26 |
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