Current state of the problem on current collection of electrified railways


  • Д.В. Устименко Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, st. Lazaryan, 2, Dnepropetrovsk, Ukraine, 49010, Ukraine



electric sliding contact, the contact pair, current collection, the contact wire, the intensity of wear of the pantograph contact strip.


The task of the effective operation of a contact network of electric rolling stock and puts demands on the further reduction of the wear of the trolley wire, and if it is destroyed, increase the service life of runners of current collectors, a reduction of electricity losses in the current collector. The problem of reliable and economical operation of high-current sliding contacts, can not be solved only by the materials, design and technology, and requires a comprehensive approach taking into account the actual operating conditions.

Despite numerous studies, there is a considerable gap between theory and engineering practice. A large number of works carried out by experts in the field of electrical engineering and in their processes and phenomena of an electrical nature are deeply discussed in sliding contact and not addressed by technology. In this regard, the relevance of aspects of the electrical contacts is not reduced, and growing. Therefore, the development of the theory of current collection on electrified railways to ensure their reliable and efficient operation in the current and future operating conditions is an urgent scientific challenge.

Author Biography

Д.В. Устименко, Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, st. Lazaryan, 2, Dnepropetrovsk, Ukraine, 49010

Кафедра «Електротехніка та електромеханіка»


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