Convention, Volume 5;Volume 39;Volume 62 |
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Halaman 12
... AMMETER METHOD FOR TESTING CURRENT TRANSFORMERS This method is applicable to test for ratio only . It may be employed in either of two ways : 1 For transformers of low current rating , the ratio is cal- culated from readings obtained ...
... AMMETER METHOD FOR TESTING CURRENT TRANSFORMERS This method is applicable to test for ratio only . It may be employed in either of two ways : 1 For transformers of low current rating , the ratio is cal- culated from readings obtained ...
Halaman 13
... ammeter of 1 ampere full scale . The use of an induction type ammeter on a current trans- former seems particularly to affect its ratio , and in general it may be said that when employing an indicating ammeter method , careful attention ...
... ammeter of 1 ampere full scale . The use of an induction type ammeter on a current trans- former seems particularly to affect its ratio , and in general it may be said that when employing an indicating ammeter method , careful attention ...
Halaman 14
... 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 ordinarily have less impedance ...
... 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 ordinarily have less impedance ...
Isi
INTRODUCTION | 7 |
TWO WATTMETER METHOD FOR TESTING CURRENT TRANS | 13 |
Two WATTHOUR METER METHOD OF TESTING INSTRUMENT | 26 |
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