Multiterminal 3-Phase Transformer Model

Authored by: Robert M. Del Vecchio , Bertrand Poulin , Pierre T. Feghali , Dilipkumar M. Shah , Rajendra Ahuja

Transformer Design Principles

Print publication date:  August  2017
Online publication date:  August  2017

Print ISBN: 9781498787536
eBook ISBN: 9781315155920
Adobe ISBN:

10.1201/9781315155920-8

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Abstract

It has been shown in earlier chapters that it is possible to model 2- and 3-terminal transformers using leakage inductances or reactances associated with the leakage flux. The 2-winding leakage inductance is the self-inductance of the two windings, which takes into account that the sum of the amp-turns is zero. It is easily measured by applying a voltage to the first winding, shorting the second winding, and measuring the reactance, while keeping any other windings open circuited. It can also be calculated with finite element codes or analytic methods.

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