Application of hybrid modeling for calculating interturn voltages in transformer windings

Journal article (2009)

Authors

G. Hoogendorp OLD High-Voltage Technology and Management , OLD Electrical Power Systems
M. Popov OLD High-Voltage Technology and Management
L. van der Sluis OLD High-Voltage Technology and Management
Research Group
OLD High-Voltage Technology and Management
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Published Date

2009

Language

Undefined/Unknown

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Research Group

OLD High-Voltage Technology and Management

Abstract

Abstract
This letter deals with the hybrid modeling of transformers and the determination of interturn voltage distribution in transformers with layer-type windings. The hybrid model uses a combination of a multiconductor transmission-line model and a single transmission-line model. The good agreement between computed and measured voltage waveforms shows that this model can be used for the computation of interturn voltages with full success. Analysis is performed by making use of a step function with 100-ns rise time.