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임준영(Junyoung Lim),정윤철(Yunchul Jung),김상영(Sangyoung Kim),최용원(Yongwon Choi),김정철(Jungnchul Kim) 전력전자학회 2001 전력전자학술대회 논문집 Vol.2001 No.7
Universal motors are mainly used for vacuum cleaner application. There are a lot of researches on SRM that applys home appliance throughout the world. The manufacturing cost of SRM drive makes it hard to expand its application to home appliance This paper presents Single Phase SRM for the vacuum cleaner that has advantge in cost and performance over conventional universal motor.<br/> This paper proposes new power device driving scheme by using SRM switching characteristic. The driving scheme is very simple and inexpensive. Dwell Time Control method is used for the minimum switching loss of power device. The switching frequency of power device is less than 4.5kHz at 45,000rpm. By use of this scheme, power device based on very small switching losses can be used on SRM drive. Also, the biggest problem in single phase SRM is starting, this paper shows a new starting algorithm with two hall sensors, accelerating and running sensors, respectively.<br/> Finally, the proposed Single Phase SRM achieves higher efficiency and long life time compared to universal motor. Its life time is more than 1500 hours. Its life time is extended 4 times than that of conventional motor and its suction power is increased 20% at the same volume of conventional universal motor.<br/>