A method of estimating the total AC loss in a high-temperature superconducting transformer winding

The paper presents a valuable extension to the new method of estimating total AC loss in solenoidal high temperature superconducting windings of the transformer type, where losses caused by external magnetic field and due to transport current are modeled together. This complex problem is solved usin...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2000-07, Vol.36 (4), p.1183-1187
Main Authors: Sykulski, J.K., Goddard, K.F., Stoll, R.L.
Format: Article
Language:English
Subjects:
Alternating current
Applied sciences
Conductors
Electrical engineering. Electrical power engineering
Electromagnets
Estimating
Exact sciences and technology
Finite difference methods
Finite element methods
High temperature superconductors
Magnetic field measurement
Magnetic fields
Magnetic losses
Magnetic separation
Magnetism
Mathematical analysis
Mathematical models
Numerical models
Phase transformers
Superconducting device characterization, design, and modeling
Superconductivity
Transformers
Various equipment and components
Winding
Windings
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Summary:The paper presents a valuable extension to the new method of estimating total AC loss in solenoidal high temperature superconducting windings of the transformer type, where losses caused by external magnetic field and due to transport current are modeled together. This complex problem is solved using a highly nonlinear 2D finite difference formulation in the superconductor in combination with a linear finite element model representing the rest of the transformer. Comparison with measurements on a real device shows good agreement and validates the method as a practical tool.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.877651