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In 2001 the quality management system of DYNAMICS SPC was put through facultative certification. In 2018 it was recertified for compliance with standards ISO 9001:2015. Its results confirmed a high level of goods and services quality management.
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Home Publications Articles The experimental unit for the examination of the EMU-train electrical circuits functioning mode

The experimental unit for the examination of the EMU-train electrical circuits functioning mode


Insufficient equipping of the most repair shops (of depots) with appropriate means of monitoring and diagnostics of electrical circuits doesn’t allow the personnel in charge of the safe electric trains operation to take reasonable steps for quality and timely elimination of defects, which don`t lead to equipment failure yet. Available instrumental measurement of individual parameters in majority of depots characterizes the condition of specific elements, but doesn’t provide objective information about the health of branches or sections of electric circuits, which includes these elements. This fact caused by distinction of internal interconnection between elements, branches and areas of electrical circuits from electrical circuits operation modes in general.

Thus, during the technical diagnostics development it is required to conduct the research with a view to determine these unit operation modes, in which the interconnection between the available measurement parameters and condition parameters of this unit is the strongest.

According to the task and the main diagnostic signs, selected for condition assessment and which are variables of their condition (current, voltage, voltage drop), the experimental unit for research of the functioning modes of train electric circuits is designed for their diagnostics.

The results and conclusions, obtained by computer experiments, are the basis of the method for power determination of each element (branch) of control circuit with the total current and method for diagnostics of electric circuits at EMU-trains, which have been successfully tested and confirmed high efficiency during the diagnostics of electric train different series real sections at the pilot unit, realized on the basis of computer monitoring hardware and software of the computer monitoring system for accidents prevention and condition control COMPACS®, implemented in a number of advanced EMU-train depots of "Russian Railways", JSC network.


Kazarin D.V. The experimental unit for the examination of the EMU-train electrical circuits functioning mode // Science, education, business (“Nauka, obrazovanie, biznes”). - 2011. - pp. 159-164

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Tags: diagnostics electric multiple unit electrical circuit Date: 19.05.2014
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