전력전자학회논문지 (The Transactions of the Korean Institute of Power Electronics)

  • 제21권2호
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  • Pages.144-149
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  • 2016
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  • 1229-2214(pISSN)
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  • 2288-6281(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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초고속 단상 BLDC 전동기의 고역률 전력 제어 방법

High Power Factor Control of High-speed Single-phase BLDC Motor

  • Lee, Wook-Jin (Samsung Electronics Digital Appliances Business) ;
  • Jung, Bumun (Samsung Electronics Digital Appliances Business)
  • 투고 : 2016.02.01
  • 심사 : 2016.02.22
  • 발행 : 2016.04.20
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초록

This paper presents a power control method of high-speed single-phase BLDC motor. Most electric appliances require a power factor corrector (PFC) to mitigate grid current harmonics. However, the reactive components and power semiconductors in the PFC increase system cost and dimension. In this paper, a new motor drive system for a high-speed single-phase BLDC motor is proposed, which can decrease grid current harmonics without PFC by directly manipulating motor power and eliminating bulky electrolytic dc-link capacitor. Given that the proposed motor power control method does not require motor current controller, no current sensor is necessary. Moreover, the proposed algorithms can be easily implemented using a low-cost micro-controller. The effectiveness of the proposed power control method is verified by experiments.

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참고문헌

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