Speed Control of Five-Phase Induction Motors With Integrated Open-Phase Fault Operation Using Model-Based Predictive Current Control Techniques
Industrial Electronics, IEEE Transactions (2013)
摘要
Fault tolerance is one of the most interesting features in stand-alone electric propulsion systems. Multiphase induction motor drives are presented like a better alternative to their three-phase counterparts because of their capability to withstand faulty situations, ensuring the postfault operation of the drive. Finite-control set model-based predictive control (FCS-MPC) has been introduced in the last decade like an interesting alternative to conventional controllers for the electrical torque and current regulation of multiphase drives. However, FCS-MPC strategies for multiphase drives with the ability to manage pre- and postfault operations have not been addressed at all. This paper proposes a fault-tolerant speed control for five-phase induction motor drives with the ability to run the system before and after an open-phase fault condition using an FCS-MPC strategy. Experimental results are provided in order to validate the functionality of the proposed control method, maintaining rated currents and ensuring fast and ripple-free torque response.
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关键词
fault tolerance,induction motor drives,predictive control,velocity control,FCS-MPC strategy,current regulation,electrical torque,fault tolerance,fault-tolerant speed control,finite control set model-based predictive control,five-phase induction motors,integrated open-phase fault operation,model-based predictive current control,multiphase drives,multiphase induction motor drives,open-phase fault condition,ripple-free torque response,stand-alone electric propulsion systems,Fault tolerance,multiphase drives,predictive control techniques
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