Fault Tolerant Control of Three Phase Induction Motor Drive System
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The reliability of adjustable speed drives is an area of great interest for all members of the drives community and marketplace. As a result, parallel redundancy is often employed for these systems, although at a high system cost. AC drive systems are sensitive to different types of failures occurring at the input rectifier, or at the power inverter stage, or at the control sub-system. In this thesis a new switching technique for fault tolerant control of induction motor drive is presented, this system firstly detects the fault, isolates the fault and then applies a current regulation techniqu...
The reliability of adjustable speed drives is an area of great interest for all members of the drives community and marketplace. As a result, parallel redundancy is often employed for these systems, although at a high system cost. AC drive systems are sensitive to different types of failures occurring at the input rectifier, or at the power inverter stage, or at the control sub-system. In this thesis a new switching technique for fault tolerant control of induction motor drive is presented, this system firstly detects the fault, isolates the fault and then applies a current regulation technique to make the system operating in two phase mode with the same performance of three phase mode. Also, a new switching technique for Direct Torque Control (DTC) fault tolerant induction motor drive is presented, this system modifies the switching table of DTC system using the available stator voltage vectors in two phase mode with Four Switch Three Phase Inverter (FSTPI) topology to track thestat
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