THE POLYPROPYLENE BIPOLAR ELECTRODE FOR COBALT ELECTROEXTRACTION

ABSTRACT

Melnichenko A.I., Kulbovskyi I.I., Holub H.M., Kharuta V.L. Aspects of metrological support of technological processes of information-measuring systems in projects of transport infrastructure. Visnyk National Transport University. Series «Technical sciences». Scientific and Technical Collection. - Kyiv: National Transport University, 2020. - Issue 1 (46).

The article deals with the main methodological aspects of the metrological provision of information and measurement systems in transport infrastructure projects.

The object of study is the means of information-measuring systems of electric power objects of transport of Ukraine.

The purpose of the work is to study the metrological provision of information and measurement systems at electric power facilities, in particular transport, which allow to solve many problems related to registration of operating modes of power systems, determination of electrical and time parameters, finding damage on power lines, diagnostics of electrical equipment and others.

The research method is a systematic analysis of the metrological assurance of reliable, economical and high-quality operation of electric power objects due to the introduction of synchronized measurements on large electric power objects at large electric power objects.

The regulatory framework for metrological support is the State Standards and other documents of the State System for Ensuring Unity of Measurements, the relevant normative documents of the State Standard of Ukraine, methodical instructions and recommendations.

The technical basis is the system of state standards and standard measuring instruments, which ensures their reproduction with the highest accuracy; a system of working standards and exemplary measuring instruments by means of which the sizes of units of physical quantities are transferred to the working measuring instruments. As well as a system of standard samples of the composition and properties of substances and materials, which ensures the reproduction of units, composition and properties of substances and materials. The purpose of metrological support is to improve quality, increase production efficiency, use of material values and energy resources, as well as scientific research.

The most effective way to improve the reliability, economy and safety of power equipment is to use methods and techniques for technical diagnostics. Due to the use of monitoring systems for monitoring and diagnostics of the electrical parameters of the electric power objects of the railways, both the renewal time of the power supply (associated with the restoration of train traffic) and the corresponding economic losses caused by emergency shutdown are minimized, as well as the costs associated with the operational repair works to eliminate the effects of damage.

The characteristics of digital registrars and monitoring systems offered by the leading manufacturers in the electricity market are regulated by international standards. The made comparisons of the accuracy of measurements of different devices for recording the parameters of the modes show similar indicators and confirm the possibility of using the system of monitoring the mode parameters in the problems of estimating the state of power systems.

The results of the study can be used in technological processes in transport infrastructure projects when using digital devices as a measurement tool for parameter control and monitoring of electric networks both in Ukraine and abroad.

KEYWORDS: METROLOGY, ANALYSIS, STANDARD, INFORMATION, INFORMATION AND MEASUREMENT SYSTEM, PROJECT, MANAGEMENT, TECHNOLOGICAL PROCESS.

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AUTHOR

Melnichenko Olexander I., Candidate of Science in Engineering, professor, National Transport University, the head of the department «Manufacturing, Repair and Materials Engineering», e-mail: melnichenko@ntu.edu.ua, tel. +380506562446, Ukraine, 01010, Kyiv, Omeljanovicha-Pavlenka str. 1, orcid.org/0000-0001 -9694-9824

Kulbovskyi Ivan I., PhD, associate professor, State University Of Infrastructure And Technologies, associate professor of the department «Automation and computer-integrated technologies of transport», e­mail: kulbovskiy@ukr.net, tel. +38 (050) 832-21-81, Ukraine, 04071, Kyiv, str. Kyrylivska, 9, 0000-0002­5329-3842

Holub Halyna M., PhD, associate professor, State University Of Infrastructure And Technologies, associate professor of the department «Automation and computer-integrated technologies of transport», e­mail: golub. galina@ukr.net, tel. +38 (097) 822-76-13, Ukraine, 04071, Kyiv, str. Kyrylivska, 9, orcid.org/0000-0002-4028-1025

Kharuta Valentina L., College of Information Technology and Land Management, National Aviation University, e-mail: kharuta_val84@ukr.net, tel: +38 (097) 465-68-89, Ukraine, 02000, Kyiv, str. Druzhkovskaya 6, orcid.org/0000-0003-2462-8604

REVIEWER

Prokudin G.S., Doctor of Technical Sciences, Professor, Head of the Department for International Transportation and Customs Control, National Transport University, Kyiv, Ukraine.

Stasiuk O.I., Doctor of Technical Sciences, Professor, Professor of the Department of Automation and Computer Integrated Transport Technologies, State University of Infrastructure and Technologies, Kyiv, Ukraine.

Article language: Ukrainian

Open Access: http://publications.ntu.edu.ua/visnyk/46/226.pdf

Print date: 15.04.2020

Online publication date: 27.10.2020

 

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