Power Quality and Electromagnetic Interference in a Trolleybus Traction Sistem

This paper presents an analysis of the power quality impact and electromagnetic interference in a trolleybus traction system. As test subject it is used a 180 kW induction motor supplied by a three phased inverter with field oriented control. A fast Fourier transform was used in a simulation process, to determine the power quality and electromagnetic interference processes of the current supplied to the motor.