<abstract xmlns="http://www.w3.org/1999/xhtml"><p>: Low-voltage asynchronous motor is the most common load used in any industrial electric facility. Due to their robustness and reliability, the induction motors have a very large application spectrum and are to be found in a variety of power units. It is assumed that over 70% of total energy used in any electric utility is dedicated to the electric motor drive systems. The paper quantitatively studies the transient state of such motors, which occurs at their start-up. The waveforms characteristics of these inrush currents are predetermined mainly by solving the associated differential equations that describe the dynamic phenomena at their start-up. An experimental investigation on an induction motor of 4 kW is also carried out. Supplementary, different solutions for the energising of these low-voltage motors are presented highlighting their performances and limits. These methods are critically rated according to their mitigation ability of the power quality issues associated with the energizing process. </p></abstract>

: Low-voltage asynchronous motor is the most common load used in any industrial electric facility. Due to their robustness and reliability, the induction motors have a very large application spectrum and are to be found in a variety of power units. It is assumed that over 70% of total energy used in any electric utility is dedicated to the electric motor drive systems. The paper quantitatively studies the transient state of such motors, which occurs at their start-up. The waveforms characteristics of these inrush currents are predetermined mainly by solving the associated differential equations that describe the dynamic phenomena at their start-up. An experimental investigation on an induction motor of 4 kW is also carried out. Supplementary, different solutions for the energising of these low-voltage motors are presented highlighting their performances and limits. These methods are critically rated according to their mitigation ability of the power quality issues associated with the energizing process.

TRANSIENT STATE CHARACTERIZATION OF ASYNCHRONOUS MOTORS IN MODERN LOW-VOLTAGE ELECTRIC INSTALLATIONS

The Scientific Bulletin of Electrical Engineering Faculty

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

: Low-voltage asynchronous motor is the most common load used in any industrial electric facility. Due to their robustness and reliability, the induction...

TRANSIENT STATE CHARACTERIZATION OF ASYNCHRONOUS MOTORS IN MODERN LOW-VOLTAGE ELECTRIC INSTALLATIONS

Pubblicato online: 11 mag 2018

Pagine: 19 - 25

DOI: https://doi.org/10.1515/sbeef-2017-0017

Parole chiave
asynchronous motor, inrush current, transient state

© 2018

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

TRANSIENT STATE CHARACTERIZATION OF ASYNCHRONOUS MOTORS IN MODERN LOW-VOLTAGE ELECTRIC INSTALLATIONS

Pubblicato online: 11 mag 2018

Pagine: 19 - 25

DOI: https://doi.org/10.1515/sbeef-2017-0017

Parole chiaveasynchronous motor, inrush current, transient state

© 2018

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

Parole chiave
asynchronous motor, inrush current, transient state