Improvement in Performance of a Third-rail Type Current Collector

概要

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Third-rail type current collecting devices are being adopted in some subway cars and monorail cars because of high strength and long service life of the contact wire. However, in some monorail cars, short service life of collector shoes has been a problem, and prevention of falling of wearing powder and sparks, as well as reduction of noise has also been a problem. Thus, these basic problems with current collectors i. e., service life, noise, contact loss ratio etc. were studied. Consequently a new type current collector and a collector shoe material have been developed. This newly developed device can realize about 5 dB reduction in noise level as compared with the previous device.
一般社団法人日本機械学会の論文