Single phase current-source active rectifier for traction: control system design andpractical problems

摘要

This research has been motivated by industrial demand for single phase current-source active rectifier dedicatedfor reconstruction of older types of dc machine locomotives. This paper presents converters control structure design andsimulations. The proposed converter control is based on the mathematical model and due to possible interaction with railwaysignaling and required low switching frequency employs synchronous PWM. The simulation results are verified byexperimental tests performed on designed laboratory prototype of power of 7kVA.