Power Transformers Internal Insulation Design Improvements Using Electric Field Analysis Through Finite-Element Methods

• Published in: IEEE transactions on magnetics Vol. 44; no. 2; pp. 273 - 278
• Main Authors: Khaligh, A., Vakilian, M.
• Format: Journal Article
• Language: English
• Published: New York, NY IEEE 01.02.2008; Institute of Electrical and Electronics Engineers; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Circuits; Construction; Cross-disciplinary physics: materials science; rheology; Dielectrics and electrical insulation; Electric field; Electric fields; Electric potential; Electric power generation; Exact sciences and technology; Finite element methods; finite-element analysis; Insulation; insulation design; Magnetism; Materials science; Mathematical analysis; Mathematical models; Other topics in materials science; Performance analysis; Physics; Power system modeling; power transformer; Power transformer insulation; Power transformers; Transformers; Transient analysis; Windings; Design; Finite element method; power transformer; insulation design; Analysis method; Electric field; finite-element analysis; Investigation method; Modelling; Power transformers; Electric fields; Magnetic properties

Understanding the potential and electric field distribution in the insulation system of a transformer during transients is vital to its construction. Therefore, we have developed a method for electric field analysis inside a power transformer. The method consists of the following steps. (1) A lumped...