Automatic simulation model for transformer windings

Windings of power transformers consist of several layers of different materials. The assembled final winding is dried and prepressed. The tasks are to determine the initial heights of the single materials and to predict the stresses in the winding pressring. An automatic simulation tool for modeling...

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Bibliographic Details
Main Authors: Karer, Erwin, Dorninger, Alexander, Wenninger, Johannes, Hackl, Alexander
Format: Conference Proceeding
Language:English
Subjects:
Automized simulation tool
Compression test
HOTINT
Material characterization
Nonlinear material model
Power transformer
Winding
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Description
Summary:Windings of power transformers consist of several layers of different materials. The assembled final winding is dried and prepressed. The tasks are to determine the initial heights of the single materials and to predict the stresses in the winding pressring. An automatic simulation tool for modeling the winding compression process is set up. The material model for the winding is a generic model based on the properties of the individual components of the windings. The single component stiffnesses were determined through compression measurements. The Finite Element simulation model is created through Salome and Python and simulated in HOTINT.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2022.02.596