FPGA Implementation of the Reconfigurable Control System for AC Drives Fed by Tandem Converter

The paper focuses on the implementation in Field Programmable Gate Arrays (FPGA) of vector control systems of the induction motor supplied from the tandem (hybrid) staticfrequency converter. Reconfigurable control structure ensures different strategies for operating modes with non-failed and partial-failed converter. The reconfiguration process introduces perturbations in the vector controlled AC drives. The paper tries to give a synthesis of the tandem vector control structure implementation. Problems related to hardware implementation of the transition from a control structure to another are discussed.