On parameters determination of multi-port equivalent scheme for multi-winding traction transformers

Archives of Electrical Engineering

Joseph El Hayek¹  Tadeusz J. Sobczyk¹ 

关键词: multi-winding transformer;    equivalent scheme;    multi-port circuit;    traction transformers;   

DOI  :  10.1515/aee-2015-0003

来源: Versita

【 摘 要 】

This paper aims to present a new equivalent scheme of multi-windings traction transformers, based on multiport purely inductive circuit. The mathematical background of this equivalent scheme is described. The determination of the different scheme elements is made through a finite-elements calculation of both main and leakage inductances, for the case of a four-winding transformer. A procedure is defined, which allows to estimate the values of these elements from some measurements on the transformer at no-load and short-circuit operations. A specific strategy of short-circuit tests is described, allowing to determine all parameters in a rather simple way.

【 授权许可】

Unknown