<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>An effective one-dimensional model is presented that describes the temperature profile of a winding of an oil-filled distribution transformer with an arbitrary number of partial cooling ducts. An analytical solution of the model is applied to a specific example — a low voltage winding of a 400 kVA distribution transformer with one or two partial cooling ducts. Starting from the exact solution, a simple and practical formula for the temperature rise of similar windings has been derived that is suitable for transformer designers.</p>
</abstract>

An effective one-dimensional model is presented that describes the temperature profile of a winding of an oil-filled distribution transformer with an arbitrary number of partial cooling ducts. An analytical solution of the model is applied to a specific example — a low voltage winding of a 400 kVA distribution transformer with one or two partial cooling ducts. Starting from the exact solution, a simple and practical formula for the temperature rise of similar windings has been derived that is suitable for transformer designers.

Average temperature of oil-filled transformer windings with partial cooling ducts

Slovak University of Technology in Bratislava

Faculty of Electrical Engineering and Information Technology

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

An effective one-dimensional model is presented that describes the temperature profile of a winding of an oil-filled distribution transformer with an arbitrary...

Average temperature of oil-filled transformer windings with partial cooling ducts

Published Online: Mar 18, 2021

Page range: 35 - 39

Received: Dec 27, 2020

DOI: https://doi.org/10.2478/jee-2021-0005

Keywords
heat transfer, distribution transformers, temperature rise, partial cooling ducts

© 2021 Peter Bokes, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Average temperature of oil-filled transformer windings with partial cooling ducts

Published Online: Mar 18, 2021

Page range: 35 - 39

Received: Dec 27, 2020

DOI: https://doi.org/10.2478/jee-2021-0005

Keywordsheat transfer, distribution transformers, temperature rise, partial cooling ducts

© 2021 Peter Bokes, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
heat transfer, distribution transformers, temperature rise, partial cooling ducts