This paper introduces a new fault-tolerant strategy for the asymmetrical half-bridge converter used in switched reluctance machine drives. The proposed method can work under multiple open-switch faults by bypassing the faulty part with the minimum number of switches. Matlab/Simulink package is used to verify the proposed method. Simulation results for 3-phase 12/8 SRM under multiple open-switch faults are provided at low and high speeds when current chopping control (CCC) and voltage modulation control is used, respectively. The proposed method also characterizes by providing a complete tolerance at low speeds up to four open-switch faults, so that system dynamics is similar to healthy conditions.
Advanced Fault-Tolerant Control Strategy for Switched Reluctance Motor Drives
2018-06-01
2990251 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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