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This paper deals with a propulsion system of new full low-floor trams manufactured by Škoda Plzeň company employing gearless wheel drives with surface-mounted permanent magnet synchronous motors (PMSM). Main attention is paid to developed drive control and its smart diagnostics - specifically, we present proposed algorithms for automatic identification of an incorrect rotor position sensor calibration,...
This paper presents a propulsion system concept for a new generation of full low-floor trams employing gearless wheel drives with surface-mounted permanent magnet synchronous motors (PMSM). The main attention is paid to the wheel drive control. The proposed control had to overcome two major problems: (i) oscillations of LC filters in traction converter dc-links, and (ii) load angle control due to...
This contribution introduces proposed control of a wheel drive with permanent magnet synchronous machine (PMSM) intended for a new generation of 100-percent low-floor trams. The proposed control is based on a field oriented control linked to a rotor flux. The control strategy consists of two control algorithms which are changed based on the rotor speed. The proposed control fully satisfies demanded...
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