Improving the power quality on the pantograph of a modern domestic alternating current electric locomotive with a collector drive
https://doi.org/10.46973/0201-727X_2025_2_114
Abstract
The article discusses the problems of high consumption of electricity from the traction network by modern domestic AC electric locomotives with collector drive and low power quality on their pantographs. It was found out that these problems are caused by the presence of reactive power in the contact network, consumed by electric locomotives in almost equal proportions with the active one, and significant distortions of voltage and current. A new method for controlling the arms of rectifier-inverter converters based on IGBT transistors is proposed, which makes it possible to increase the power factor of a modern domestic AC electric locomotive with a collector drive to 0.99 and reduce the coefficients of the harmonic components of voltage and current on its current collector to 4 % and 10 %, respectively. The proposed method will significantly improve the efficiency of driving trains using the "Virtual Coupling" technology.
About the Authors
P. V. Grigorenko
Irkutsk State Transport University (ISTU)
Russian Federation
Russian Federation
Grigorenko Pavel Vladimirovich, Chair “Electric Rolling Stock”, Postgraduate Student
O. V. Mel’nichenko
Irkutsk State Transport University (ISTU)
Russian Federation
Russian Federation
Mel’nichenko Oleg Valerievich, Chair “Electric Rolling Stock”, Doctor of Engineering Sciences, Professor
A. Yu. Portnoy
Irkutsk State Transport University (ISTU)
Russian Federation
Russian Federation
Portnoy Alexander Yurievich, Chair “Physics, Mechanics and Instrument Engineering”, Doctor of Physical and Mathematical Sciences, Associate Professor
A. S. Samoilova
Irkutsk State Transport University (ISTU)
Russian Federation
Russian Federation
Samoilova Anastasia Sergeevna, Chair “Electric Rolling Stoc”, Postgraduate Student
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Review
For citations:
Grigorenko P.V., Mel’nichenko O.V., Portnoy A.Yu., Samoilova A.S. Improving the power quality on the pantograph of a modern domestic alternating current electric locomotive with a collector drive. Vestnik Rostovskogo Gosudarstvennogo Universiteta Putej Soobshcheniya. 2025;(2):114-125. (In Russ.) https://doi.org/10.46973/0201-727X_2025_2_114
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