engleski

CO-ORDINATED ACTION DESIGN OF RHEOSTATIC AND AIR BRAKES ON THE ELECTRIC RAILCAR SERIES 6 111

The paper presents the solution for the modification of the brakes on the electric railcar series 6111 used in suburban traffic. It also gives the results of the performed measurements as well as their analysis. The mentioned electric railcar is fitted with air and rheostatic brakes whose activation is mutually independent. Since suburban traffic means frequent stopping, and since the engine driver does not use the rheostatic brake regularly, but only the air brake, the wear of the brake lining and wheels is higher, and the heat load on the brake elements is substantial. By regular application of rheostatic brake, the air brake could be used less thus contributing to a lower wear of the friction elements. The presented solution for the modification of the brake consists of co-ordinated and automatic action of the rheostatic and air brake with every braking, without the engine driver influencing this co-ordination.

rheostatic brake; air brake; railway motorvehicle

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