Title :
Reducing DC link voltage unbalance in a fault-tolerant inverter
Author :
Boscaino, V. ; Di Tommaso, A.O. ; Genduso, Fabio ; Miceli, Rosario
Author_Institution :
Dept. of Energy Inf. Eng. & Math. Models, Univ. of Palermo, Palermo, Italy
Abstract :
Today, continuous working of power inverter drives is mandatory for several applications. Damages to materials, machines or even risks to human life have to be absolutely avoided. In the literature, fault-tolerant algorithms and architectures to achieve a successful fault handling are investigated. Researchers aim at reducing the number and cost of additional components, improving at the same time the inverter performances under postfault conditions. Cost, post-fault power derating and increasing distortion are usually conflicting requirements. In this paper, a fault-tolerant three phase inverter is presented. A reconfigurable architecture and a novel fault-tolerant algorithm is designed to reduce DC Link Voltages unbalance. The system is modeled in PSIM-MATLAB/Simulink environment. The power stage model is implemented in PSIM environment. The fault-tolerant algorithm is implemented in MATLAB-Simulink environment. The SimCoupler module is used to perform co-simulation of the entire model. Simulation results are shown to test performances of the proposed algorithm.
Keywords :
AC motor drives; fault tolerance; invertors; reconfigurable architectures; AC motor drive; DC link voltage unbalance reduction; PSIM environment; SimCoupler module; cost reduction; fault handling; fault-tolerant three phase inverter; post-fault power derating; power inverter drive; power stage model; reconfigurable architecture; Circuit faults; Fault tolerance; Fault tolerant systems; Insulated gate bipolar transistors; Inverters; Mathematical model; Switches; AC motor drives; Inverter; Power converters; Power electronics; fault-tolerant;
Conference_Titel :
Power Electronics and Motion Control Conference and Exposition (PEMC), 2014 16th International
Conference_Location :
Antalya
DOI :
10.1109/EPEPEMC.2014.6980694