1S.F. Amirov, 2M.S. Yakubov, 3Y.Yu. Shoyimov
1,2,3Researcher, Tashkent State University of Transport
DOI : https://doi.org/10.47191/ijmra/v5-i6-21Google Scholar Download Pdf
ABSTRACT:
The factors affecting the operational reliability of primary measuring transducers (PMT) developed on the basis of ferromagnetic current transducers with adjustable range (FMCT RD) are highlighted. An assessment and analysis of the system of basic quantitative indicators of reliability for each of the proposed three current converters, which differ in the principles of operation and the number of assembly units, is made. A maintenance and repair strategy is indicated, combined with the use of methods and tools of a modern diagnostic system that ensures the reliability of these converters, using a combination of three groups of stages: during design, during their operation and repair.
KEYWORDS:ferromagnetic current converters, operational reliability, assessment of point indicators of reliability, gamma resource, diagnostics, maintenance and repair strategy.
REFERENCES
1) GOST 28001-83. The system of maintenance and repair of equipment. Basic provisions M: Publishing House Standards, 1983, 23 p.
2) GOST 27518-87. Product diagnostics. General requirements. -M: Publishing House of Standards, 1988.43 p.
3) Amirov S.F., Shoyimov Y.Yu., El-Amin Mohammed // Magnetic systems with multi-turn cores for measuring transducers. Uzbek journal "Problems of Informatics and Energy", Tashkent, 2000, No. 3. p. 23-26.
4) Patent of the Republic of Uzbekistan. No. 03591. Device for converting current into voltage / Amirov S.F., Khalikov A.A., Shoyimov Y.Yu. , Khushbokov B.Kh., Balgaev N.E. // Official Bulletin. – 2008. – №2.
5) Patent of the Republic of Uzbekistan. No. 03617. Device for non-contact measurement of currents / Amirov S.F., Khalikov A.A., Khushbokov B.Kh., Shoyimov Y.Yu., Balgaev N.E.. // Official bulletin. – 2008. – №3.
6) Patent of the Republic of Uzbekistan. No. 03858. Current transformer / Amirov S.F., Khalikov A.A., Shoyimov Y.Yu., Khushbokov B.Kh., Balgaev N.E.. Official bulletin. – 2009. – №1.
7) GOST 17509-72. Reliability of engineering products. System for collecting and processing information, methods for determining point estimates of reliability indicators based on the results of observation, 53 p.
8) GOST 27002-89. Reliability in technology. Basic concepts. Terms and Definitions. -M: Publishing House of Standards.
9) Collection of methodological manuals for monitoring the state of electrical equipment. / JSC Firm ORGRES, edited by F.L. Kogan 1999, 428p.
10) Bronstein I. N., Semendyaev K. A. B 88. Handbook of mathematics for engineers and students of higher educational institutions: Textbook. - St. Petersburg: Publishing house "Lan», 2010.
Volume 05 Issue 06 June 2022
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