“CABLE AND WIRES” JOURNAL - 2024 #12
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EDITOR-IN-CHIEF'S COLUMN
E.B. Vasiliev
SPRING LEAF FALL OF EVENTS
INTERVIEW WITH INDUSTRY LEADERS
RESULTS OF 2023 IN INTERVIEW WITH TRETYAKOV M.V., PRESIDENT OF ELECTROCABLE ASSOCIATION, GENERAL DIRECTOR OF ELCAT Ltd.
SCIENCE AND TECHNOLOGY
DOI 10.34757/2072-215Х.2024.2.1.001
TRANSITION JOINTS FOR HIGH-PRESSURE CABLE LINES. PRACTICAL DEVELOPMENT OF THE TEST PROGRAM
A.Z. Slavinsky, Dr. Sc. (Engineering), General Director, Isolyator Group, Full member of the Academy of Electrotechnical Sciences of the Russian Federation;
V.B. Pshennov, Cand. Sc. (Engineering), Technical Director, Isolyator Group;
P.V. Kiryukhin, Chief Engineer of STC, Isolyator Group;
A.A. Filippov, Deputy Technical Director, Insulator Group;
M.I. Sukharev, Head of the Chief Designer Bureau, Isolator Group;
A.A. Korolev, Deputy Chief Engineer for Innovation and Design Activities, PAO “ROSSETI Moscow Region – Moscow High-Voltage Networks”;
D.V. Minakov, Head of the workshop of high-pressure cables and secondary wiring of the branch of PAO “ROSSETI Moscow Region – Moscow High-Voltage Networks”;
M.Yu. Shuvalov, Dr. Sc. (Engineering), Head of the Energy Cable and Wire Department - Director of the Research Area, JSC VNIIKP, full member of the Academy of Electrotechnical Sciences of the Russian Federation;
V.L. Ovsienko, Cand. Sc. (Engineering), Deputy Head of the Energy Cable and Wire Department, JSC VNIIKP;
L.E. Makarov, Cand. Sc. (Engineering), Leading Researcher of the Energy Cable and Wire Department, JSC VNIIKP;
P.V. Fursov, Leading Researcher of the Energy Cable and Wire Department, JSC VNIIKP;
S.S. Vetlugaev, Cand. Sc. (Engineering), Senior Researcher of the Energy Cable and Wire Department, JSC VNIIKP
Аннотация. Впервые в РФ выполнена разработка переходной муфты для соединения маслонаполненного кабеля высокого давления на напряжение 220 кВ с кабелем, изолированным сшитым полиэтиленом. Представлен стенд для оценки работоспособности маслонаполненного кабеля высокого давления и проверки качества бумажно-масляной изоляции муфты. Разработана программа типовых испытаний переходных муфт на напряжение 110 и 220 кВ. Представлена кабельная система на напряжение 220 кВ с двумя переходными муфтами, которая успешно выдержала предложенные типовые испытания. Обоснована возможность распространения положительных результатов испытаний муфт на другой класс напряжения и на другие сечения кабелей. Приводится план колодца для размещения трёх переходных муфт на напряжение 220 кВ.
Ключевые слова: маслонаполненные кабельные линии высокого давления, маслонаполненные кабели, переходные муфты, электрические испытания, замена маслонаполненных кабельных линий, типовые испытания переходной муфты, реконструкция маслонаполненных кабельных линий
DOI 10.34757/2072-215Х.2024.2.1.002
METHODS FOR OBTAINING THE SUPERCONDUCTING CONTACTS BETWEEN WIRES BASED ON Nb-Ti ALLOY
L.V. Potanina, Cand. Sc. (Engineering), Leading Research Scientist, JSC VNIIKP;
D.S. Kaverin, Cand. Sc. (Engineering), Senior Research Scientist, JSC VNIIKP;
A.A. Nosov, Cand. Sc. (Engineering), Senior Research Scientist, JSC VNIIKP;
S.S. Fetisov, Dr. Sc. (Engineering), Division Manager, JSC VNIIKP
Abstract. Contacts between superconducting wires are among the most important components of superconducting magnets. They are necessary for connecting the individual coils that make up the magnetic systems, the primary reason being the limited unit length of the superconducting wires produced. In addition, contacts are necessary for precise control of the field profile in the magnet, carried out by using different types of wires. Finally, the contacts are required to connect a superconducting switch based on wires having a high-resistance matrix, the function of which is to isolate the magnet from the power supply after charging. Minimization of contact resistance is critical to provide a stable magnet operation.
This paper presents a brief overview of methods for obtaining and testing superconducting contacts between Nb-Ti wires in magnetic systems, using magnetic resonance imaging (MRI) devices as an example. A typical contact in a MRI magnetic system should have an electrical resistance less than 10-12 ohms, allowing the currents to persist for several years. To achieve such resistance in a contact, it is necessary to form superconducting paths between the two wires to be connected.
Key words: magnetic resonance imaging, superconducting wires, Nb-Ti, superconducting contacts
DOI 10.34757/2072-215Х.2024.2.1.003
ESTIMATION OF MICROSTRUCTURE CHARACTERISTICS OF DIFFERENT COPPER GRADES USED IN THE CABLE INDUSTRY
V.S. Danilushkin, postgraduate student of the Metal Technology and Aviation Materials Science Department, Samara University;
K.K. Chaplygin, postgraduate student of the Metal Technology and Aviation Materials Science Department, Samara University;
S.V. Voronin, Cand. Sc. (Engineering), Assistant Professor of the Metal Technology and Aviation Materials Science Department, Samara University;
V.V. Bannov, Cand. Sc. (Engineering), Deputy General Director, Technical Director of JSC “Samara Cable Company”;
A.N. Nekrasov, Chief Technologist of JSC “Samara Cable Company”;
N.Yu. Vedilina, Project Manager, Ltd. “AVR-Group”
Abstract. The article presents the results of a microstructure analysis of three grades of copper: M001, M1or (KMOR), and M0b (oxygen-free copper). As it is known that impurities can affect the electrical conductivity of copper, the microstructure was analyzed and estimated. It was found that the largest grains with twins with fewer secondary phases were observed in M001 copper grade. M0b grade copper is better suited to two-stage etching.
Key words: copper, wire rod, wires, microstructure, texture, ethching
INDUSTRY NEWS
A.I. Gusev, Director of the Electrocable Association for information policy
THE 83rd GENERAL MEETING OF THE PARTICIPANTS OF THE ELECTROCABLE ASSOCIATION. REPORT OF THE EVENT
E.V. Lenskaya, Cand. Sc. (Philology), Director for Foreign Economic Activity of JSCcl. Trade House of VNIIKP;
A.A. Meshalkin, Leading Specialist for IEA, JSCcl. Trade House of VNIIKP
THE 1st INTERNATIONAL CONFERENCE “RUSSIAN AND CHINEESE CABLE INDUSTRY: CURRENT STATE, ACHIEVEMENTS, PROSPECTS”
S.V. Serebryannikov, Dr. Sc. (Engineering), Professor of the Physics and Technology of Electrotechnical Materials and Components Department of the National Research University "MEI", full member of the Academy of Electrotechnical Sciences of the Russian Federation
ELECTRICAL ENGINEERS SUMMED UP THE RESULTS
JUBILEES
A.P. POVELICHENKO CELEBTRATES HIS 85th BIRTHDAY
PAGES OF HISTORY
