Wang Wangang, Wu Guangning, Gao Guoqiang, Wang Bo, Cui Yi, Liu Donglai
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引用次数: 12
Abstract
High speed electric multi units (EMU) get power through pantograph-centenary electrical contact. As the EMU running velocity increases, rail surface irregularities, undulations of the catenary and vibrations of the pantograph head cause the status of pantograph-centenary electrical contact to deteriorate seriously and generate pantograph-catenary arcs frequently. The arcs erode the contact wire and pantograph strip, endanger the current-receiving quality between pantograph and catenary and restrain further raizing of the EMU speed. So it is very important to study the pantograph-catenary arcs. In this paper, the pantograph-catenary current-receiving process was analyzed. The pantograph-catenary arc test system was developed, which simulated the flexible and straight contact of pantograph and contact wire, pantograph strip zigzag movements and vertical up and down movements of the pantograph. The test system was used to study, the pantograph-catenary contact resistance, and the electrical parameters and shape features of the arcs.
期刊介绍：
Journal of the China Railway Society is a comprehensive academic journal sponsored by the China Railway Society (founded in 1979, changed from bimonthly to monthly in 2011, and distributed domestically and internationally). The journal aims to comprehensively reflect the latest research progress in railway science and technology, expand the exchange and dissemination of independent original innovation results, and serve to promote the development of disciplines and the progress of railway science and technology. It mainly publishes academic papers and reviews on railway transportation, railway locomotives and rolling stock, electrification, railway communication and signaling, informatization, railway engineering and other disciplines, and pays attention to the scientificity and creativity of the papers. It is suitable for scientific and technological personnel, management experts and leading cadres engaged in and concerned with the rail transportation industry to read and refer to.
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