Estimation of Parameters of Multi-Port Equivalent Scheme for Multi-Winding Traction Transformers

• Autorzy: El Hayek, J. , Sobczyk, T.
• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

multi-winding transformer; equivalent scheme; multi-port circuit; traction transformers

• Czasopismo: Maszyny Elektryczne : zeszyty problemowe
• Rocznik: 2014
• Tom: Nr 3(103)
• Strony: 19--24
• Opis fizyczny: Bibliogr. 5 poz., rys., wykr., wz.

Twórcy

autor

El Hayek, J.

• University of Applied Sciences and Arts Western Switzerland, School of Engineering, Sion,

autor

Sobczyk, T.

• Politechnika Krakowska, Instytut Elektromechanicznych Przemian Energii,

Bibliografia

• [1]. Erickson R.W., Maksimovič D.: A multiplewinding magnetic model having directly measurable parameters, IEEE PESC, Vol.2, 1998, pp. 1472-1478.
• [2]. Sobczyk T.J.: On a circuital representation of magnetically coupled coils, (in Polish), Proc. of Int. Conf. on Fundamentals of Electrical Engineering and Circuit Theory (IC-SPETO), Poland, Vol. 2, 2003, pp. 493-496.
• [3]. Sobczyk T.J.: Equivalent schemes of multiwinding one-phase transformers, (in Polish), Proc. of Int. Symp. on Electrical Machines (IS-SME), Poland, 2004, pp. 452-455.
• [4]. El Hayek J., Sobczyk T.J.: Equivalent circuit of multi-windings traction transformers including magnetizing currents, Proc. of ICEMS, China, Vol.3, 2005, pp. 1740-1745.
• [5]. El Hayek J., Sobczyk T.J.: Multi-port equivalent scheme for multi-winding traction transformers, COMPEL, Vol. 31, Issue 2, 2012, pp 726-737.