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축전지전원 BLDC모터의 직접전력변환방식에 의한 성능분석
정태영 (T. Y. Jeong ),김종백 (J. B. Kim ),정석권 (S. K. Jeong ) 한국동력기계공학회 2009 한국동력기계공학회 학술대회 논문집 Vol.2009 No.6
We investigate some operation characteristics and energy efficiency of the battery source BLDC motor driven by a direct power converter for applying to electrical motor propulsion system. At first, we get the performance curves of discharge voltage and current characteristic curves of a battery at each load. Then we derived trend curves from the discharge voltage curves. Also, we show that total running distances can be obtained from the motor's RPM trend curves obtained from the discharge voltage trend curves. Finally, through some experimental results, we suggested optimum operation conditions for designing battery source BLDC motor driven propulsion system for small-ships.