Dynamic behaviour of locomotive with axle-mounted traction motors

Abstract eng:
Especially in case of locomotives for freight operation, nose-suspended traction motors are usually used nowadays. This solution of traction drive is simple and relatively cheap; however, because of bearing of the traction motors directly on the axles, this solution contributes to increase the unsprung masses with all negative influences on dynamic interaction between the rail vehicle and the track, as well. Therefore, this paper deals with influence of nose-suspended traction drive of a locomotive on the dynamic interaction between the vehicle and the track. By means of simulations, dynamic behaviour of the locomotive with axle-mounted traction motors is compared with dynamic behaviour of a locomotive equipped with fully suspended traction drive.

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