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

<p>In the presented work a new identification method of difficult measured internal quantities of IM, such as components of magnetic flux vector and electromagnetic torque, is proposed. Commonly measurable quantities of IM like stator currents, stator voltage frequency and mechanical angular speed are used for identification to determine a feedback effect of the rotor flux vector on vector of stator currents of IM. Based on this feedback it is also possible to identify actual value of the rotor resistance, which can alter during IM operation. This has a significant impact on precision of identified quantities as well as on master control of IM. Stability of the identification structure is guaranteed by position of roots of characteristic equation of its linear transfer function. Results obtained from simulation measurements confirm quality, effectivity, feasibility, and robustness of the proposed identification method.</p>
</abstract>

In the presented work a new identification method of difficult measured internal quantities of IM, such as components of magnetic flux vector and electromagnetic torque, is proposed. Commonly measurable quantities of IM like stator currents, stator voltage frequency and mechanical angular speed are used for identification to determine a feedback effect of the rotor flux vector on vector of stator currents of IM. Based on this feedback it is also possible to identify actual value of the rotor resistance, which can alter during IM operation. This has a significant impact on precision of identified quantities as well as on master control of IM. Stability of the identification structure is guaranteed by position of roots of characteristic equation of its linear transfer function. Results obtained from simulation measurements confirm quality, effectivity, feasibility, and robustness of the proposed identification method.

The Identification of Induction Motor Internal Quantities

Department of Electrical Engineering and Mechatronics, Faculty of Electrical Engineering and Informatics

Acta Electrotechnica et Informatica

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

{"article-title":"The Identification of Induction Motor Internal Quantities"}

In the presented work a new identification method of difficult measured internal quantities of IM, such as components of magnetic flux vector and...

The Identification of Induction Motor Internal Quantities

Published Online: Feb 02, 2022

Page range: 24 - 29

Received: Sep 22, 2021

Accepted: Oct 07, 2021

DOI: https://doi.org/10.15546/aeei-2021-0016

Keywords
induction motors, magnetic flux, motor torque, system identification, motion control, variable speed drives

© 2021 Marek Fedor et al., published by Sciendo

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

The Identification of Induction Motor Internal Quantities

Published Online: Feb 02, 2022

Page range: 24 - 29

Received: Sep 22, 2021

Accepted: Oct 07, 2021

DOI: https://doi.org/10.15546/aeei-2021-0016

Keywordsinduction motors, magnetic flux, motor torque, system identification, motion control, variable speed drives

© 2021 Marek Fedor et al., published by Sciendo

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

Keywords
induction motors, magnetic flux, motor torque, system identification, motion control, variable speed drives