A New Phase-Coordinate Transformer Model for y Bus Analysis

A New Phase-Coordinate Transformer Model for y Bus Analysis
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用于 y 总线分析的新相位坐标变压器模型

DOI:
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发表时间:
2002
期刊:
IEEE Power Engineering Review
影响因子:
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通讯作者:
D. Hoadley
D. Hoadley
中科院分区:
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文献类型:
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作者:
S. Moorthy;D. Hoadley

文献摘要

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提出了一种新的三相变压器建模方法。该方法可以表示具有两个或多个绕组的变压器,并且可以合并相间耦合的影响,特别是三相单元对零序磁化电流的低阻抗。对于双绕组变压器,该模型只需要每个Transformer四个数据项,即使缺少其中一些数据项,也可以使用,在这种情况下,它简化了现有的成熟建模技术。
A new method of modeling three-phase transformers has been developed. The method can represent transformers with two or more windings and can incorporate the effects of interphase coupling, particularly the lowered impedance of three-phase units to zero-sequence magnetizing currents. For two-winding transformers, the model requires only four data items per transformer and can still be used even in the absence of some of them, in which case it simplifies to existing well-established modeling techniques.