Title :
Zero phase sequence impedance and tank heating model for three phase three leg core type power transformers coupling magnetic field and electric circuit equations in a finite element software
Author :
Ngnegueu, T. ; Mailhot, M. ; Munar, A. ; Sacotte, M.
Author_Institution :
Jeumont Schneider Transformers, Lyon, France
fDate :
5/1/1995 12:00:00 AM
Abstract :
In this paper, we present a finite element model for the calculation of zero phase sequence reactance for three phase three leg core type power transformers. An axisymmetrical approximation is assumed. A simplified model is used to assess the tank´s hottest spot temperature
Keywords :
electric impedance; finite element analysis; magnetic circuits; modelling; power transformers; transformer magnetic circuits; FEM; axisymmetrical approximation; electric circuit equations; finite element model; hottest spot temperature; magnetic field equations; power transformers; tank heating model; three leg core type; three phase transformer; zero phase sequence impedance; Heating; Impedance; Leg; Magnetic circuits; Magnetic cores; Magnetic flux; Phase transformers; Power system modeling; Power transformers; Transformer cores;
Journal_Title :
Magnetics, IEEE Transactions on