Scientific and Technical Journal

ELECTROTECHNIC AND COMPUTER SYSTEMS

ISSN Print 2221-3937
ISSN Online 2221-3805
MODELING OF TRANSIENTS IN THE ASYNCHRONOUS TRACTION MOTOR OF MINE ELECTRIC LOCOMOTIVES
Abstract:

Important fact in control of the cost of raw materials is the current state of mine transport. And the contact-resistor traction electromechanical systems operated in the domestic electric locomotives, do not meet the criteria of reliability and energy efficiency. Recently reaffirmed the need to include the subsystem of monitoring equipment to traction electromechanical system, including identification of electric parameters.

In article for the analysis of dynamic regimes of traction electromechanical system the authors used two-phase mathematical models that adequately assess the processes in the real machine. The graphs of transient processes stator current events in asynchronous traction motor is, presents a discrete mathematical model of asynchronous traction motor with independent voltage inverter which will help to increase the system performance in 1,5 - 2 times.

Presents a discrete mathematical model allows building a system of identification and microprocessor control of asynchronous electric motor with a frequency converter on the basis of autonomous inverter voltage. Using hardware implementation of conversion of the average values of the variables required for the implementation of laws regulation and identification, you can avoid the negative phenomena in the operation of high-speed converters, such as interference in the end of the period.

Authors:
Keywords
DOI
10.15276/etks.15.91.2014.31
References
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