Fault-tolerant performance of a mutually coupled dual-channel switched reluctance generator under open-circuit faults

This paper is to analyze and investigate the fault-tolerant performance of the mutually coupled dual-channel switched reluctance generator (DCSRG) operates under open-circuits. Firstly, the faulty mathematic model of the DCSRG operation under open-circuit fault is developed with combination of a state and a fault functions. To achieve fault-tolerant operation, a closed-loop control strategy of open-circuit faults for the DCSRG is proposed to maintain the output voltage as the normal operation. The dynamic performances of the DCSRG under normal and open-circuit faults are simulated. Finally, an experimental setup for a 12/8 DCSRM generator system is built for verification. The experimental results at normal and various open-circuit fault conditions are presented to verify the control strategy and the analytical and simulation results.