Research and analysis of force and moment of the cascade asynchronous electric drives.

Abstract

In the article, the research of force and the moment in the cascade asynchronous electric drives is provided and the analysis of the received decision is carried out. As an object of a research, the special types of electric drives with asynchronous motors possessing glad advantages in comparison with single-engine electric drives were selected. These are optimum mass-dimensional and energetic indices, the improved technological parameters allowing reaching big limits of regulation of rotational speed and the electromechanical moment, and the value of the moment can remain within rated value even in case of small rotational speeds or changes of the direction of movement. For optimum design of such types of electric drives and more exact and correct regulation and the researched parameters of force and the moment on a shaft of an electric drive, it is necessary to realize new approaches to a research and calculation. The carried-out analysis showed that the most optimum method of determination of force and the moment is the method based on electromechanical conversion of energy. The parameters received as a result of a research have necessary accuracy in comparison with the experimental data. The analysis of the conducted research shows that the received decision will allow improving quality, technical and economic indices of difficult technological processes of such industries as oil and gas branch, the heavy industry and mechanical engineering, a pulp-and-paper industry and others.