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

<p>The paper deals with calculation of overheating of a voltage instrument transformer used in medium voltage substations. Calculation of the primary and secondary windings is compared with measured values. These values are evaluated according to IEC 618691:2007, IEC 61869-3:2011 and IEC 60085:2007. In evaluation we focused on the state 1.9 × nominal voltage and thermal limiting output state. The article also compares the results for various parameters of instrument transformers that are necessary for clarification of calculation.</p>
</abstract>

The paper deals with calculation of overheating of a voltage instrument transformer used in medium voltage substations. Calculation of the primary and secondary windings is compared with measured values. These values are evaluated according to IEC 618691:2007, IEC 61869-3:2011 and IEC 60085:2007. In evaluation we focused on the state 1.9 × nominal voltage and thermal limiting output state. The article also compares the results for various parameters of instrument transformers that are necessary for clarification of calculation.

On single pole instrument voltage transformer overheating

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.

{"article-title":"On single pole instrument voltage transformer overheating"}

The paper deals with calculation of overheating of a voltage instrument transformer used in medium voltage substations. Calculation of the primary and...

On single pole instrument voltage transformer overheating

Pubblicato online: 18 mar 2021

Pagine: 29 - 34

Ricevuto: 29 ott 2020

DOI: https://doi.org/10.2478/jee-2021-0004

Parole chiave
instrument transformer of voltage, overheating according to IEC 618693:2011, numerical model of over-heating, IEC 60085:2007

© 2021 František Janíček et al., published by Sciendo

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

On single pole instrument voltage transformer overheating

Pubblicato online: 18 mar 2021

Pagine: 29 - 34

Ricevuto: 29 ott 2020

DOI: https://doi.org/10.2478/jee-2021-0004

Parole chiaveinstrument transformer of voltage, overheating according to IEC 618693:2011, numerical model of over-heating, IEC 60085:2007

© 2021 František Janíček et al., published by Sciendo

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

Parole chiave
instrument transformer of voltage, overheating according to IEC 618693:2011, numerical model of over-heating, IEC 60085:2007