Privalov V.N., Usatenko V.V., Dziakovich D.A. Theoretical and experimental researches of battery charging systems

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Parent Category: Geo-Technical Mechanics, 2016

Category: Geo-Technical Mechanics, 2016, Issue 130

Geoteh. meh. 2016, 130, 183-195

THEORETICAL AND EXPERIMENTAL RESEARCHES OF BATTERY CHARGING SYSTEMS
¹Privalov V.N., ¹Usatenko V.V., ²Dziakovich D.A.
¹IGTM NAS of Ukraine, ²LLC "DOZ "Energoavtomatika"

UDC 621.355.7.001.5

Abstract. A possibility to create a highly efficient and safety power complexes consisting of a storage battery with charger for using in the mine storage-battery locomotives was studied. Objective of the study: to develop physical models, and to determine rational parameters for the battery charging systems, as well as to conduct experimental study with them. Different technical solutions on chemical current sources and methods of their charging known in the world and in Ukraine were analyzed. The following research priorities were established: to develop scientific bases for creating battery charging systems based on the lead-acid batteries of traction type; to improve lead-acid battery stability and to minimize gas emissions in them; and to improve energy efficiency and safety of charging process in the coal mines. Current technical level of equipment and methods for designing the energy-efficient charging systems were analyzed. The following methods were chosen as the priorities: usage of smeared electrode plates with double separation in combination with compression of electrode assembly, and gas recombination inside the battery by oxygen cycle. Principles and algorithms of modeling were developed for calculating basic parameters of the battery charging systems. The most optimal parameters and conditions for the discharge regime were determined, which would provide energy efficiency and fire and explosion safety. In order to realize this charging regime, a reliable, safety and energy-efficient charger is proposed, effectiveness of which is ensured by the following features: minimum components in the power electronics, restrictive-andregulating resistor, and natural air cooling.

Keywords: tractive storage battery, battery charger, battery charging system, mine locomotive, energy-saving technology.

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About the authors:

Privalov Vladimir Nikolaevich, Candidate of Physics and Mathematics Sciences (Ph.D.), Senior Researcher, Senior Researcher of Department of Mine Energy Complexes, N.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dnepr, Ukraine, privalov- This email address is being protected from spambots. You need JavaScript enabled to view it. .

Usatenko Viktoriya Vyacheslavovna, Master of Sciences (M.S.), Principal Engineer of Department of Mine Energy Complexes, N.S. Polyakov Institute of Geotechnical Mechanics under the National Academ of Sciences of Ukraine (IGTM, NASU), Dnepr, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. .

Dzyakovich Dmitriy Aleksandrovich, Master of Sciences (M.S.), Engineer of Department of Standardization, Certification and patent-license work, Limited Liability Company ―Dnepropetrovskiy Opytnyy Zavod "Energoavtomatika" (LLC "DOZ "Energoavtomatika""), Dnepr, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. .

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