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

<p>The Automatic Voltage Regulator (AVR) is necessary to keep the terminal voltage of a loaded alternator constant. It is widely used to increase the regulation and stability of synchronous alternators especially in bulk power plants where efficiency and stability is of paramount importance. The AVR is a feedback controller that varies the excitation of the alternator to support a constant output voltage by increasing or decreasing the excitation level of the alternator as the load varies. In this research, the transfer functions of the various stages of the AVR are decided for the purpose of the design of the Voltage Regulator. The performance of the AVR is decided by the basic no load and load test on the alternator. The results show that there was tremendous improvement in the terminal voltage of the alternator with the AVR and a significant drop in the terminal voltage of the alternator without the AVR.</p>
</abstract>

The Automatic Voltage Regulator (AVR) is necessary to keep the terminal voltage of a loaded alternator constant. It is widely used to increase the regulation and stability of synchronous alternators especially in bulk power plants where efficiency and stability is of paramount importance. The AVR is a feedback controller that varies the excitation of the alternator to support a constant output voltage by increasing or decreasing the excitation level of the alternator as the load varies. In this research, the transfer functions of the various stages of the AVR are decided for the purpose of the design of the Voltage Regulator. The performance of the AVR is decided by the basic no load and load test on the alternator. The results show that there was tremendous improvement in the terminal voltage of the alternator with the AVR and a significant drop in the terminal voltage of the alternator without the AVR.

Design and Construction of an Automatic Voltage Regulator for a Synchronous Alternator

The Scientific Bulletin of Electrical Engineering Faculty

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Automatic Voltage Regulator (AVR) is necessary to keep the terminal voltage of a loaded alternator constant. It is widely used to increase the regulation...

Design and Construction of an Automatic Voltage Regulator for a Synchronous Alternator

Published Online: Oct 17, 2022

Page range: 1 - 7

DOI: https://doi.org/10.2478/sbeef-2022-0001

Keywords
automatic voltage regulator, synchronous alternator, voltage regulator

© 2022 M.U. Emezirinwune, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Design and Construction of an Automatic Voltage Regulator for a Synchronous Alternator

Published Online: Oct 17, 2022

Page range: 1 - 7

DOI: https://doi.org/10.2478/sbeef-2022-0001

Keywordsautomatic voltage regulator, synchronous alternator, voltage regulator

© 2022 M.U. Emezirinwune, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
automatic voltage regulator, synchronous alternator, voltage regulator