Non-contact current measurements

Authors:

M. Dzhala
Karpenko Physico-Mechanical Institute of the National Academy of Sciences of Ukraine, Lviv
https://orcid.org/0000-0002-0197-0389
Researcher Scopus Author ID: 6507143680

Reviewers:

Kryzhanivskyi Yevstakhii Ivanovych
Ivano-Frankivsk National Technical University of Oil and Gas (IFNTUOG), Ivano-Frankivsk, Ukraine.
Academician of the National Academy of Sciences of Ukraine, Doctor of technical sciences, professor.
Professor of the Department of Oil and Gas Machines and Equipment IFNTUOG,
Rector of the IFNTUOG (1993-2023), Adviser to the rector of IFNTUOG,
ORCID 0000-0001-6315-1277
Web of Science Researcher ID: DBW-2543-2022

Skalskyi Valentyn Romanovych
Karpenko Physico-Mechanical Institute of the NAS of Ukraine
Corresponding member of the National Academy of Sciences of Ukraine,
doctor of technical sciences, professor, deputy director of PMI … to 29.02.2014
ORCID https://orcid.org/0000-0001-5713-872X
Researcher Scopus Author ID: 6506318919

Buchma Ihor Mykhailovych
Lviv Polytechnic National University, Lviv, Ukraine
professor of the Department of Computer Automation Systems (CSA)
of the Institute of Computer Technologies, Automation and Metrology (ICTA)
of the National University “LP”
ORCID 0000-0002-3477-2805

 

Affiliation:

Project: Scientific book

Year: 2024

Publisher: PH "Naukova Dumka"

Pages: 240

DOI:

https://doi.org/10.15407/978-966-00-1924-9

ISBN: 978-966-00-1924-9

Language: Ukrainian

How to Cite:

Abstract:

The monograph is devoted to the actual and practically important scientific and technical problem of non-contact diagnostic examinations of underground (and underwater) pipelines (UP) and other current-carrying communications. The results of theoretical and experimental studies and scientific and technical approaches to the development of new methods and devices for non-contact current measurements (NCM) and their applications for UP diagnosis are presented. The main stages of the development of contact and non-contact methods of measuring currents without breaking an electric circuit are described.

Non-contact electromagnetic (EM) examination methods have significant advantages over known contact electrometric methods in terms of efficiency and informativeness. But they needed more advanced methods and appropriate special equipment. For their creation at the Physical and Mechanical Institute named after G. V. Karpenko of the National Academy of Sciences of Ukraine carried out a complex of research works and technical developments: the informative signs of the EM field of UP and their connections with the parameters of the structure were investigated; the measured characteristics of the field were selected and the algorithms for determining the parameters of the control object were established; appropriate NCM tools were developed and a new method of UP examinations was tested in real-world conditions; algorithms and recommendations for the interpretation of measured information and a new technology of diagnostic examinations and testing of the technical condition of anti-corrosion protection of UP according to NCM have been developed.

The monograph consistently sets out the theoretical justification of the NCM method with a description of the proposed new methods and devices and the characteristics of the developed hardware and the results of field tests and practical use. The main stages of the development of the theory of electric currents and methods of their measurement are briefly described. The theory of the EM field of UP, informative features of the magnetic field of currents is described. NCM methods and devices, EM method and means, and the information and measurement system of UP diagnostic examinations are described. Examples of the use of NCM are given.

The theoretical basis of NCM methods is the proposed triune mathematical model (TUMM) of the EM field of UP, which is based on the solutions of boundary value problems of electrodynamics, the theory of electric circuits with distributed parameters and the theory of spatial distribution of current fields. Informative features of the EM field of UP and anomalies of its distribution were studied.

New methods of gradient, parallax and invariant NCM UP, new NCM methods and devices are proposed, and their classification and areas of rational application are given. The technical characteristics of new effective devices created at the PMI of the National Academy of Sciences of Ukraine for UP examinations are given. As a result of their hardware implementation, a method and means of monitoring and a new technology of surveys of the state of anti-corrosion protection of anti-corrosion protection of UP according to NCM have been developed. The results of their field tests and practical use on main pipeline routes and pipeline networks that transport gas, oil, water, and chemical industry products are given.

The experience of practical use of NCM for integral, differential and local diagnostic examinations and control of the condition of insulating coatings and electrochemical protection against corrosion of UP and related metal structures is described and analyzed. It is shown that NCM provides the possibility of quantitative estimations of the “pipe-ground” transition resistance and its components – ground, insulation and polarization resistances. According to NCM, it is also possible to determine the specific resistance of the insulating coating in different sections of the UP with a resolution up to the length of the UP section commensurate with the depth of its occurrence. NCM detect the places of UP insulation damage and the most probable places of corrosion. The use of NCM makes it possible not only to increase the efficiency and informativeness of diagnostic examinations, but also to reduce labor costs.

The monograph is intended and will be useful for scientists, specialists and students in the fields of information and measurement systems, electrodynamics, non-destructive testing and technical diagnostics, anti-corrosion protection, inspections and operation of pipelines and related underground metal structures.

Keywords:

electric current, measurement, non-contact methods, electromagnetic field, informative signs, underground pipelines, anti-corrosion protection, insulating coatings, defects, transient resistance, devices, non-destructive testing, diagnostics

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110. Dzhala, R. M. (1999). Electromagnetic field in an underground pipeline. Materials of the III scientific and practical seminar “Anti-corrosion protection of pipelines and contamination and control methods, KTS-99”. Lviv: PMI. 70–79. (in Ukrainian).
111. Dzhala, R. M. (1995). Hybrid waves of cylindrical structures with broken circular symmetry. Direct and inverse problems of the theory of electromagnetic and acoustic waves. Ukraine branch of the MTT, ED, AP, IEEE Societies. Lviv: IPPMM of NASU. 52–53.
112. Vakul’skyi, O. A., Dzhala, R. M., Dikmarova, L. P., Drabych, P. P., Mizyuk, L. Ya., & Nichoha, V. O. (1994). Development of methods for increasing the sensitivity of electric and magnetic field sensors, as well as effective methods for estimating their parameters in space, geophysical, and corrosion research: a report on the SRWPMI of the National Academy of Sciences of Ukraine. Lviv: G.V. Karpenko PMI of the National Academy of Sciences of Ukraine. 348. DR No. 0194U007393; Dep. UkrINTEI, Inv. No. 0294U002332. (in Ukrainian).
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116. Dikmarova, L. P. & Dzhala, R. M. (2000). Mathematical models of underground pipelines in the problems ofcorrosion control. Problems of management and informatics. 1. 54–63. (in Ukrainian).
117. Dzhala, R. M., & Senyuk O. I. (1997). Influence of a parallel current conduit on determining the current of an underground pipeline. Selection and processing of information. 11(87). 11-14. (in Ukrainian).
118. Dzhala, R. M., Mizyuk, L. Ya., Maksymenko, O. P., & Senyuk, O. I. (1999). Investigation of the magnetic field of parallel pipelines excited by low-frequency currents. Quality control methods and devices. 4. 3-6. (in Ukrainian).
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121. Dzhala, R. M. (2000). Electrodynamic model of parallel insulated pipelines. Radio electronics and telecommunications. 387. 474–479. (in Ukrainian).
122. Dzhala, R. M. (1987). Problems of the theory of electromagnetic testing of extended structures with azimuthal inhomogeneities. XI All-Union scientific and technical conf. “Non-destructive methods and means of testing”: theses reports. M. Part 2. 1.
123. DzhalaR. (1996). Depolarisation factors of electromagnetic waves. VI-th International Conference on Mathematical Methods in Electromagnetic Theory. MMET’96, Lviv: PhMI, URSI. Ukraine. Verbal report. September 11.
124. Dzhala, R., Yuzevych, V., Ivasiv, I., Verbenets, B., Pidhirnyak,Ya., Melnyk, M., & Semenyuk, O. (2016). Research of informative signs of the electromagnetic field near the surface of coated metal in a conductive environment for diagnosing corrosion of metal structures: report on the NDR (final); head of work R. M. Dzhala. Lviv: H.V. Karpenko PMI of NAS of Ukraine. 159. No. DR 0114U004000. Dep.UkrINTEI. (in Ukrainian).
125. Dzhala, R. M. (1981). Some problems of the theory of electromagnetic methods of testing of pipe and other metal dielectric products. IX All-Union scientific and technical conf. “Non-destructive methods and means of testing”: theses reports. Section B. Minsk. 9–11.
126. Khrychov, V. S., & Legenkiy, M. N. (2019). A faceted model of an object of complex shape for the calculation of electromagnetic scattering. Visnyk of V.N. Karazin Kharkiv National University. Series «Radio Physics and Electronics», vol. 28, Kharkiv. 44–52. (in Ukrainian). URL: https://periodicals.karazin.ua/radiophy­sics/article/view/12594
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128. Dzhala, R. M. (2002). The electric field of the underground pipeline: errors of electrometry. Selection and processing of information. 16(92). 5–8. (in Ukrainian).
129. Dzhala, R. M. (1991). The method of determining the direct current in cylindrical metal pipes. (A. s. SU 1711584). State SU register 8.10.1991.
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131. Dzhala, R. M. (1999). The threeune mathematical model of an underground pipeline. III International science and technology conf. “Mathematical modeling in electrical engineering, electronics and power engineering” (MMelektro): theses reports. Lviv: MOU, NASU, DULP, IE of NASU, IPME of NASU. 75–76. (in Ukrainian).
132. Dzhala, R. M., Verbenets’, B. Ya., Mel’nyk, M. I., & Shevchuk, T. I. (2009). Determination of anti-corrosion protection parameters of underground pipelines by non-contact current measurements. PCMM. 45(3). 106–111. (in Ukrainian).– The same: Dzhala, R. M., Verbenets’, B. Ya., Mel’myk, M. I., & Shevchuk, T. I. (2009). Determination of parameters of corrosion protection of underground pipelines from noncontact measurements of current. Materials Science. 45(3). 441–446. http://www.springerlink.com/openurl.asp?genre=article&id=doi:10.1007/s­11003-009-9195-2
133. Dikmarova, L. P. (1998). Equivalent electrical circuits for substituting underground pipelines. Radio electronics and telecommunications. 352. 26–30. (in Ukrainian).
134. Dzhala, R. M., & Dikmarova, L. P. (1998). Determination of insulation parameters of underground pipelines based on non-contact current measurements. IV International conference “Corrosion ’98”. Lviv: PMI. 490–493. (in Ukrainian).
135. Dikmarova, L. P. (1999). Determination of insulation parameters of underground pipelines. KTS-99, Lviv: PMI. 94–102. (in Ukrainian).
136. Dikmarova, L. P. (1994). On the possibilities of evaluating the quality of insulated coated pipelines by leakage current. Metrology. 10. 9-19.
137. Dikmarova, L. P. (1999). Determination of insulation defects when measuring currents in underground pipelines. Measuring technique. 6. 47-49.
138. Dzhala, R. M., & Dikmarova, L. P. (1999). Analysis of the informativeness of the current decay coefficient in the electromagnetic method of pipeline insulation control. Technical diagnostics and non-destructive testing. 3. 45–50 (in Ukrainian).
139. Dzhala, R. M.,Verbenets, B. Ya., & Senyuk, O. I. (1998). Principle of operation and structure of equipment for non-contact inspections of underground pipelines. Anti-corrosion protection of pipelines and structures and methods of non-destructive testing, KTS-98. Lviv: PMI. 197–210. (in Ukrainian).
140. Dzhala, R. M. (1999). Express control of ACP by the method of non-contact current measurements. Methodology of pipeline inspections with BIT-KVP equipment. Materials of the III science-practice seminar “Anti-corrosion protection of pipelines and structures and control methods, KTS-99”. Lviv: PMI. 154–156. (in Ukrainian).
141. Dzhala, R. M., Banakhevych, Yu. V., Verbenets, B. Ya., & Vynnyk O. Yo. (1999). Express control of protection against corrosion of pipelines by the BMC method. IX International business meeting “Diagnostika-99”. Sochi-M. 1. 198–209.
142. Dzhala, R. M., Dykmarova, L.P., & Mizyuk, L.Ya. (1990). Electromagnetic method of electrochemical protection testing of hidden metal conduits. Progressive materials, technological processes and equipment for protecting metals from corrosion. Ed. O. M. Romaniv. Kyiv: Naukova dumka. 130-131. (in Ukrainian).
143. Dikmarova, L., Dzhala, R., Nichoha, V., & Dub, P. (2001). External Electromagnetic Field of Underground Pipeline in Problems of Corrozion Protection. Proceeding 5^th International Conference on Applied Electromagnetics. Nis (Yugoslavia). 41-44.
144. Dzhala, R. M. (1998). Method of determining the coordinates of an underground pipeline. (Application No. 96030939 submitted on 11.03.96. State Patent of Ukraine: The decision to issue a patent for an invention was adopted on 27.01.98). (in Ukrainian).
145. Dzhala, R. M., Verbenets, B. Ya., Andreev, A. A., & Pecker, L. M. Device for determining the location of main pipelines. (Patent SU No. 1804636 A3). Publ. 03.23.93. Bul. 11.
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148. Dzhala, R. M. (1998). Current state and problems of corrosion testing of underground pipelines. Problems of corrosion and anti-corrosion protection of structural materials: IV International conference “Corrosion ’98”. Lviv: PMI NAS of Ukraine. 411–414. (in Ukrainian).
149. Hordienko, V. I., Dzhala, R. M., Verbenets, B. Ya., Maksymenko, O. P., Mizyuk, L. Ya., Pechenyak, M. D., & Yaroshevs’kyi, E. V. Non-contact searcher damaged by communication isolation. (A. s. SU 1592810). Publ. 15.09.90. Bul. No. 34.
150. Dzhala, R. M., Mizyuk, L. Ya., Maksymenko, O. P., & Senyuk O. I. (1999). Determination of coordinates and currents of parallel pipelines. “Anti-corrosion protection of pipelines and structures and control methods, KTS-99”. Lviv: PMI. 85–93. (in Ukrainian).
151. Dzhala, R. M. (2015). Diagnostics of underground pipelines in the concept of cyber-physical systems. Cyber-physical systems: achievements and challenges: Materials of the First Scientific Seminar, June 25-26. Lviv. 101–104. (in Ukrainian).
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153. Dzhala, R. M. (1997). Transient resistance as the main indicator of the condition of protective coatings of underground pipelines. Anti-corrosion protection of underground structures and methods of non-destructive testing KSP’97: materials of scientific-practical seminar. Lviv: PMI. 97–113. (in Ukrainian).
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157. Dzhala, R. M., & Savula, R. S. (2013). Determination of the distribution of the transient resistance of the protective coating on sections of main pipelines by non-contact measurements of currents. International Scientific and Technical Conference “Oil and Gas Energy-2013”: theses of reports. Ivano-Frankivsk, October 7-11. 243–246. (in Ukrainian).

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