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가변 위상각제어에 의한 에너지절감형 단상유도전동기에 관한 연구
박수강(Su-kang Park),백형래(Hyung-lae Baek),이상일(Sang-il Lee),임양수(Yang-su Lim),최낙일(Nak-il Char) 전력전자학회 1999 전력전자학술대회 논문집 Vol.1999 No.7
This paper describes a simple but effective method for energy saving af ac motors having a widely variable load. The proposed method is based on an optJmal efficiency control which is operated by voltage-current pattern such as to maintain the maximum efficiency on the efficiency-output characteristics of the motor, in voltage control with triac. In this paper, authors present the experimental results of the SPIM under controlling of current of main and auxiliary winding by using a one chip microcontroller. Experiments are focused on a capacitor stating single phase induction motor the optimal energy saving are proved by the proposed method.