Journal of international Conference on Electrical Machines and Systems

  • 제3권3호
  • /
  • Pages.354-361
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  • 2014
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  • 2234-6902(pISSN)
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  • 2234-7577(eISSN)
대한전기학회 분과 (Journal of International Conference on Electrical Machines and Systems)
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Improvement of Responsivity of Unified Power Flow Controller in Digital Control System

  • Hamasaki, Shin-ichi (Division of Electrical Engineering and Computer Science, Graduate School of Engineering, Nagasaki University) ;
  • Miyazaki, Shinya (Division of Electrical Engineering and Computer Science, Graduate School of Engineering, Nagasaki University) ;
  • Takaki, Tsuyoshi (Division of Electrical Engineering and Computer Science, Graduate School of Engineering, Nagasaki University) ;
  • Tsuji, Mineo (Division of Electrical Engineering and Computer Science, Graduate School of Engineering, Nagasaki University)
  • 투고 : 2014.07.28
  • 심사 : 2014.08.06
  • 발행 : 2014.09.01
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초록

The Unified Power Flow Controller (UPFC) can flexibly manage power flow and maintain line voltage. The UPFC consists of two inverters in parallel side and series side. In parallel side, the reactive power can be compensated to improve the power factor. In series side, the voltage drop can be compensated to maintain proper line voltage. It is necessary for the operation in both sides to output the current and the voltage quickly and accurately. As the method for the UPFC control, the deadbeat control with state observer is applied. The deadbeat control is able to realize a quick response of the current and voltage control for only a sampling period compared with the general PI control. A principle and simulation results are presented in this paper.

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참고문헌

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