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Methods for Determining the Scattering Reactance of Transformer Windings
Russian Electrical Engineering Pub Date : 2021-04-27 , DOI: 10.3103/s1068371221010107
I. P. Popov

Abstract

Existing methods do not allow measuring the scattering reactances for each winding of a transformer separately. Therefore, for simplicity, they are often considered to be equal to each other. In fact, as applied to a case under consideration, they are not substantially equal. The calculation of the flux linkage of the external winding shows that its dissipation reactance is greater than the total resistance to scattering of both windings, whence it follows that the scattering reactance of the inner winding has a capacitive character. The purpose of the study is to substantiate the possibility of experimental determination of the scattering reactances for each winding of the transformer separately. The scattering reactance of each transformer winding can be determined separately by at least three experimental methods that yield satisfactory agreement of results. The presented experimental methods are not related with the nature of reactivity of scattering resistances. They are universal, since they can be used in all types of windings. The obtained results are recommended for use in the design and investigation of transformers.



中文翻译:

确定变压器绕组散射电抗的方法

摘要

现有方法不允许单独测量变压器的每个绕组的散射电抗。因此,为简单起见,通常将它们视为彼此相等。实际上,就所考虑的案件而言,它们实际上并不相等。外部绕组的磁链的计算表明,它的耗散电抗大于两个绕组对散射的总电阻,因此,内部绕组的散射电抗具有电容特性。研究的目的是证实分别确定变压器每个绕组的散射电抗的实验确定的可能性。每个变压器绕组的散射电抗可以通过至少三种能够得出令人满意的结果的实验​​方法分别确定。提出的实验方法与抗散射性的反应性无关。它们是通用的,因为它们可用于所有类型的绕组。建议将获得的结果用于变压器的设计和研究。

更新日期:2021-04-28
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