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Maximum Torque per Ampere Control strategy for low-saliency ratio IPMSMs

  • Autori: Caruso M.; Di Tommaso A.O.; Miceli R.; Nevoloso C.; Spataro C.; Trapanese M.
  • Anno di pubblicazione: 2019
  • Tipologia: Articolo in rivista
  • OA Link:


This paper deals with electrical drives employing low-saliency ratio interior permanent magnet synchronous motors. In particular, in order to help the designers choosing the best control algorithm, the performances of the Maximum Torque Per Ampere Control (MTPA) and the Field Orientation Control (FOC) are here both theoretically and experimentally assessed and compared, by using, as performance indicators, the torque-current ratio and the power losses. The tests are carried out on a low-power motor for various speeds and loads by implementing the two control strategies in a dSPACE® rapid prototyping system. The results show that the Maximum Torque Per Ampere algorithm has some appreciable advantages mainly for high load conditions of operation.