Abstract Multiphase machines are well recognized as an attractive alternative to conventional three-phase ones in a number of applications where high overall system reliability and reduction in the total power per phase are required. The pace of developments in the field has accelerated in the last few years, and substantial knowledge has been recently generated. The main objective of the two parts' survey named 'Recent Advances in the Design, Modeling and Control of Multiphase Machines' is to present relevant contributions to encourage and guide new advances and developments in the field. More specifically, the part 1 of the work analyzes the recent progress in the design, modelling and control, including healthy operation of multiphase motor drives, and discusses open challenges and future research directions in the area.Index Terms Multiphase machines, design, modeling, parameter estimation, motor drive control in normal operation mode.
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