| Summary: | Analysis and control of five-phase induction motor drives are investigated in this thesis. A vector model for five-phase induction motors is derived. Two distinct aspects related to multi-phase induction motor modelling are revealed and determination of the equivalent circuit parameters is explained from theoretical and experimental viewpoints. Modulation techniques for the five-phase voltage source inverter are developed, with both separate and simultaneous space excitation included. The analysis of five-phase induction motor drives is verified using a practical test rig. Indirect vector control applied to the first and third space harmonics, with separate excitation and simultaneous excitation, are experimentally assessed.
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