Control of primary voltage source active rectifiers for traction converter with medium-frequency transformer

This paper deals with the new configuration of the traction converter with medium-frequency transformer intended for AC trolley wire fed locomotives. The main attention is paid to the primary serially connected single-phase voltage-source active rectifiers, which are directly connected to the trolley wire. This paper describes the control of the primary active rectifiers, presents simulation results as well as experimental evidence of designed low-voltage laboratory prototype of loco converter of rated power of 12 kW.