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Journals / Bulletin of scientific research results / Volume 2023 Issue 4 / Construction of a System of Increased Autonomous Travel with Limitation of Current Consumption from the Contact Network
UDC 621.316

CONSTRUCTION OF A SYSTEM OF INCREASED AUTONOMOUS TRAVEL WITH LIMITATION OF CURRENT CONSUMPTION FROM THE CONTACT NETWORK Construction of a System of Increased Autonomous Travel with Limitation of Current Consumption from the Contact Network

Published in Bulletin of scientific research results · Volume 2023, Issue 4 · Pages 146–157 · Rubric: PROBLEMATIC OF TRANSPORT SYSTEM
DOI: https://doi.org/10.20295/2223-9987-2023-4-146-157
Received: 17.12.2023 Accepted: 18.12.2023 Published: 18.12.2023
Authors
VL
Vladimir Sharyakov
OL
Ol'ga Sharyakova
KI
Kirill Sharyakov
VA
Valeriya Lebedeva
ABSTRACT
Purpose: To show the need to limit the currents consumed from the contact network and to justify the possibility of such a restriction using a lithium-ion traction battery as an additional source of electrical energy. To consider the possibility of limiting the impact on the contact network by reducing the current consumption on trolleybuses with increased autonomous travel when using a lithium-ion traction battery. Methods: The use of known analytical expressions, and the results of rides obtained during the operation of battery-assisted trolleybuses with increased autonomous travel on city lines and the results of test rides of a trolleybus with increased autonomous travel, in which the scheme of the power part of the traction drive uses a traction battery as an additional source of energy. Results: It is shown that the scheme of the power part of the traction drive proposed in the work allows limiting the current consumed from the contact network, it is additionally revealed that with such implementation, when braking the trolleybus, there is no increase in voltage in the contact network. Practical significance: It is shown that the proposed scheme of the power part of the traction drive makes it possible to limit the impact on the contact network by reducing the current consumed and, as a consequence, reducing voltage ripples in the contact network.
KEYWORDS
Current consumption limitation, electric rolling stock, urban electric transport, electric bus, traction electric drive, regenerative braking, energy storage, uneven energy consumption, traction battery, lithium-ion battery
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