A vehicle comprises a drive having at least an electrical motor, whereby the drive comprises at least two operational modes and an operation parameter of the drive is restricted to a first target area in a first operational mode and restricted to a second ...

A DC-link decoupling circuit is provided in combination with two inverters which are connected in parallel to a common DC power supply line and each of which inverter driving one different traction motor, switch means being provided for each of said two in...

The device has Hall effect sensors to acquire rotation speed of each wheel of two pairs of mechanically independent front and rear wheels of a train. Speed limit determination units (72) find a speed limit for the train based on radius of curvature of a ra...