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21.772  Articles
1 of 2.178 pages  |  10  records  |  more records»
The article was devoted to the study of an automated electric drive with a scalar closed-loop speed control system. Severe duty and operating modes of electric drive determine the actual service life. Wear of the induction motor, as a key link of the elec... see more

The operation features of the stop valve electric drive are analyzed. It is found that the drive of stop valves, implemented on the basis of induction motors, is characterized by low energy efficiency. For the purposeful improvement of the energy efficien... see more

Context. The analysis of existing systems of sensorless control of hermetic compressor electric drives is carried out. The main requirements for control systems of automated electric drives of small refrigerating units’ hermetic compressorsare determ... see more

The features of control of the electric drives with the indirect measuring of speed are related by the presence of positive feed-back on a current, by the large pulsations of signal of feed-back on voltage in the direct-current electric drive, by the disp... see more

In the development of the optimal braking force distribution strategy for a dual-motor-drive electric vehicle (DMDEV) with a series cooperative braking system, three key factors were taken into consideration, i.e. the regenerative force distribution coeff... see more

In the article the structured schemes of steady-state converter are offered for traction drive of promising multisystem electric locomotives with traction engines of direct current and their comparative analysis is conducted.

Relevance. The actual task of increasing the functional efficiency of machine learning of the system of functional diagnosis of theelectric drive of a hoisting mine machine is solved.The specific objective of this study was to develop a method for the inf... see more

This paper describes work on the laboratory working stand for a hybrid-electric drive located in laboratory T2:H1-26.The basic idea is to operate the combustion engine in its optimal regime. In this regime the engine has the highest efficiency and minimal... see more

This paper presents the results of an analysis of the fuel efficiency of a hybrid electric car drive, with an electric power splitter based on a double rotor synchronous permanent magnet generator. The results have been obtained through a precisely determ... see more

1 of 2.178 pages  |  10  records  |  more records»