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Engineering, Energy, Transport AIC

space SCIENTIFIC JOURNALS OF VINNITSA STATE AGRARIAN UNIVERSITY

Issue №: 4(107)

Published: 2019.12.20
DOI: 10.37128/2520-6168-2019-4


Description:
The journal addresses the problems of creating and improving machinery and technologies for agriculture, food and processing industries, mechanical engineering, energy and transport.

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OPTIMIZATION OF THE CONVERTER CHARACTERISTICS IN BRAKING TRANSITION MODES OF TRACTION ENGINE

DOI: 10.37128/2520-6168-2019-4-8
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Vidmysh Andriy - Candidate of Technical Sciences, Associate Professor of the Department of Power Engineering, Electrical Engineering and Electromechanics of the Vinnytsia National Agrarian University (3, Solnyschna St., Vinnytsia, 21008, Ukraine, email: andrijvydmysh1966@gmail.com).
Voznyak Olexandr - Candidate of Technical Sciences, Associate Professor of the Department of Power Engineering, Electrical Engineering and Electromechanics of the Vinnytsia National Agrarian University (3, Solnyschna St., Vinnytsia, 21008, Ukraine, email: аlex.voz1966@gmail.com).

Annotation

Described conditions of converter optimization for DC engine braking modes. Braking minimizes the level of current ripple when using various methods of current regulation.
Solving problems of efficient use of a DC traction engine and create safe modes of operation by ensuring optimal mode.
The introduction of additional elements in the scheme allows to reduce the rate of attenuation of the current in the brake coils.
A significant advantage of the proposed circuit modernization is the introduction of diodes in the circuit, which will allow the use of self-excitation of the electric motor for electrical braking.
The proposed solution simplifies the technical implementation and reduces costs due to the lack of an additional independent power source for the brake coils.
A significant factor in increasing the profitability of electric transport in general may be the replacement of an existing traction electric drive (TEP) with their more modern types.
Simulation models have been developed to allow the study of electromechanical processes in a serial DC engine.
Introduction to the circuit of a pulsed regulator diode, which shunts the excitation winding, reduces the rate of attenuation of the current in this winding.
The proposed modernization of the circuit is to introduce into the circuit the diodes, an energy storage, which allows the use of brake modes for self-excitation of the motor and to avoid the use of additional independent sources of current.

Keywords: optimization, pulse control, DC engine, bridge converter, electrical drive, DC engine control, transient mode..

List of references

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About journal

Topics of the journal:

The journal "Engineering, Energy, Transport AIC" on its pages presents materials on the following issues:

• Machine use in crop production and in animal husbandry

• Technical service of mobile equipment

• Processes and equipment for processing and food productions

• Mechanical engineering and material processing

• Energy technology and alternative energy sources

• Transport and transport-technological processes and equipment

• Automation of technological processes

• Opinion of a young scientist

Key information:
ISSN (print): 2520-6168
DOI:

ISSN (print): 2520-6168

Certificate of state registration of mass media: No. 21906-11806 P dated 03/12/2016.

Founder of the journal: Vinnytsia National Agrarian University

Editor-in-chief: Tokarchuk Olexiy A.

Ph.D., Assoc., VNAU (Vinnytsia)

Deputy Editor-in-Chief: Veselovska Nataliia R.

Doctor of Technical Sciences, Full Prof., VNAU (Vinnytsia)

Executive Secretary: Polevoda Yuri A.

Ph.D., Assoc., VNAU (Vinnytsia)

Members of the Editorial Board:

Tokarchuk O.A. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Veselovska N.R. - Doctor of Technical Sciences, Full Professor, Vinnytsia National Agrarian University

Bulgakov V.M. - Doctor of Technical Sciences, Full Professor, Acad. NAAS, National University of Life and Environmental Sciences of Ukraine

Iskovich-Lototsky R.D. - Doctor of Technical Sciences, Full Professor, Vinnytsia National Technical University

Bandura V. N. - Ph.D., Full professor, Vinnytsia National Agrarian University

Polevoda Yu.A. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Tsurkan A.V. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Ivanchuk Y.V. - Ph.D., Associate Professor, Vinnytsia National Technical University

Jordan Todorov Maximov - Doctor of Technical Sciences, Full Professor, Technical University of Gabrovo (Bulgaria)

Type of publication: journal

Kind of publication: scientific

Publication status: domestic

Year of foundation: 1997

Periodicity: 4 times per year

Volume: 18.75 conv. print. sheet

ISSN: 2520-6168 (print version), (online version)

Language of publication: (mixed languages) Ukrainian, Russian, English

The sphere of distribution and category of readers: national, foreign, faculty, scientists, entrepreneurs.

The periodical edition is included to the List of scientific professional publications of Ukraine on technical sciences, approved by order of the Ministry of Education and Science of Ukraine in 05.16.2016, No. 515.

The journal "Engineering, Energy, Transport AIC" is included in the "Catalog of Ukrainian Publications".

Subscription to the journal can be issued in each post office. The subscription index is 99720.

History of journal:

It was founded in 1997 under the title "Bulletin of the Vinnitsa State Agricultural Institute." According to the Decree of the Presidium of the Higher Attestation Commission of Ukraine of September 11, 1997, this publication received the status of a professional in which it is allowed to publish the main results of dissertation researches.

In 2001-2014 the journal published under the title “Collection of scientific works of Vinnytsia National Agrarian University. Series: Technical Sciences "(Certificate of State Registration of Mass Media KV No. 16644-5116 PR of 04/30/2010).

Since 2015 journal has title "Engineering, Energy, Transport AIC" (Certificate of State Registration of Mass Media No. 21906-11806 P dated 03/12/2016).