Please use this identifier to cite or link to this item: http://repository.kpi.kharkov.ua/handle/KhPI-Press/40405
Full metadata record
DC FieldValueLanguage
dc.contributor.authorСамохвалова, Жанна Владимировнаru
dc.contributor.authorСамохвалов, Владимир Николаевичru
dc.date.accessioned2019-03-25T12:55:56Z-
dc.date.available2019-03-25T12:55:56Z-
dc.date.issued2019-
dc.identifier.citationСамохвалова Ж. В. Магнитно-импульсное прессование электрических соединений многопроволочных проводов / Ж. В. Самохвалова, В. Н. Самохвалов // Електротехніка і Електромеханіка = Electrical engineering & Electromechanics. – 2019. – № 1. – С. 51-56.ru
dc.identifier.urihttp://repository.kpi.kharkov.ua/handle/KhPI-Press/40405-
dc.description.abstractРассмотрен метод создания сильноточных электрических соединений многопроволочных проводов при прессовании зажимов импульсным магнитным полем. Представлены результаты численного моделирования и экспериментальных исследований процесса сборки стыковых соединений монометаллических, биметаллических и комбинированных проводов, в том числе при получении переходных соединений алюминий-медь. Изложены результаты тепловых и электрических испытаний соединений.ru
dc.description.abstractPurpose. The research of the process peculiarities of magnetic-pulse fitting of electric stranded conductor joints, made of different materials, using couplings. Evaluation of loading optimal parameters, providing high operational reliability of electric connecting units. Methodology. In order to carry out simulation and research of the process of magnetic-pulse fitting of electric stranded conductor joints CRUG24 software package was used, which was developed to estimate impact interaction. Handling the problem was carried out numerically using finite differences. The electrical tests of wire joints were carried out using the thermal bench from exposure to two factors: heating with rated current and expansion by operating load. Results. It was ascertained that magnetic-pulse pressing of electric joints was followed by partial self-purification and bedding component contacting surfaces of electric joints. Oxides and contaminating impurities were expelled into small localized zones between wires, between a wire and a coupling, which resulted in the contact of juvenile surfaces. Upon mutual deformation and displacement of metal wire surface capacity size and coupling tight mechanical contact was created, which provided minimal transient resistivity. The existence of residual compression stress provides the long-standing high-quality electric contact in joints. While using magnetic-pulse pressing of electric joints, due to high speed of deformation and impact of great inertial forces, deformation contain-ment of connected components takes place in the zone of load action. The wires in contact with each other and with couplings generate faceting, but coupling sidewall hardly has any thinning. Filled density of cross-section is approximately 100 %. This fact provides a high degree of sealing capacity of joints, which to a wide extent prevents the oxidation of contacting surfaces and the rise of transient resistivity of electric joints in the operational process. As a result of processing of the results of thermal and electrical tests it was ascertained that pressed joint factors of defectiveness with all types of wires according to thermal impact and resistivity, are significantly lower than unity. Practical value. Magnetic-pulse pressing of unattended joints in electric stranded monometallic, bimetallic and composite conductors provides high operational reliability of connecting units and it may be usedwhile mounting overhead system of railways, transmission lines and fitting connecting components of electrical transport electric circuits.en
dc.language.isoru-
dc.publisherНаціональний технічний університет "Харківський політехнічний інститут"uk
dc.subjectмагнитно-импульсная сборкаru
dc.subjectчисленное моделированиеru
dc.subjectэлектрические испытанияru
dc.subjectзажимыru
dc.subjectсжимающие напряженияru
dc.subjectmagnetic-pulse assemblyen
dc.subjectconnection of stranded wiresen
dc.subjectnumerical simulationen
dc.subjectelectrical testsen
dc.titleМагнитно-импульсное прессование электрических соединений многопроволочных проводовru
dc.title.alternativeMagnetic-pulse pressing of electrical connections for stranded wiresen
dc.typeArticleen
dc.identifier.doi10.20998/2074-272X.2019.1.09-
Appears in Collections:Кафедра "Електричні апарати"

Files in This Item:
File Description SizeFormat 
EE_2019_1_Samokhvalova_Magnitno-impulsnoe_pressovanie.pdf445,67 kBAdobe PDFThumbnail
View/Open
Show simple item record  Google Scholar



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.