| 关于变压器电势方向的理论商榷 |
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| 引用本文： | 夏伯英. 关于变压器电势方向的理论商榷[J]. 甘肃科学学报, 1993, 5(1): 7-11 |
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| 作者姓名： | 夏伯英 |
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| 作者单位： | 兰州铁道学院电信系 兰州 |
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| 摘 要： | 本文主要讨论了关于变压器电势的方向问题。按左螺旋定则设感应电势的正方向,可得出变压器原、副绕组的相电势(相电压)为同相位的结论。这样,较易于理解感应电势的物理性质,更重要的是这一结论和实验结果及国家标准GB1094—71相一致。
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| 关 键 词： | 左螺旋定则 正方向 变压器 电位 |
A THEORETIC STUDY ON THE DETERMINATION OF THE EMF DIRECTION IN A TRANSFORMER |
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| Xia Baiying. A THEORETIC STUDY ON THE DETERMINATION OF THE EMF DIRECTION IN A TRANSFORMER[J]. Journal of Gansu Sciences, 1993, 5(1): 7-11 |
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| Authors: | Xia Baiying |
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| Abstract: | This paper studies the determination of the EMF direction in a transformer. By using the le - hand spiral rule to set the induced EMF as its positive direction, the conclusion can be draw that phase EMFs (phase voltages) of primary and secondary windings of a transformer are of th same phase. Thus , it becomes easier to understand the physical properties of an induced EMF Furthermore, this conclusion is in agreement with experimental results and the national standar GB1094-71. |
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| Keywords: | former.Left -hand spiral rule positive direction phase connection group of a trans- |
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