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On a Synchronous-Reluctance Motor Speed Drive with Intuitive Commutation Tuning
Kai-Wei Hu,Chang-Ming Liaw,Chiu-Fa Lee,Yu-Te Su 전력전자학회 2015 ICPE(ISPE)논문집 Vol.2015 No.6
This paper presents a synchronous reluctance motor (SynRM) drive with proper commutation instant tuning. Owing to the inaccurate and varied machine parameters, the optimal torque generating capability of a SynRM drive is difficult to achieve successfully. In the proposed intuitive commutation scheme, the commutation angle is first properly set by a minimum loss commutation (MLC) scheme and a field-weakening commutation (FWC) scheme. Then an intuitive commutation tuning (ICT) scheme is developed to adjust the commutation angle automatically for compensating the effects caused by the variations of system parameters and operating conditions. In addition, the current and speed controls are properly designed to yield good whole driving responses, including starting, acceleration/deceleration, reversible, dynamic and static running characteristics.