The Transactions of the Korean Institute of Electrical Engineers A (대한전기학회논문지:전력기술부문A)

The Korean Institute of Electrical Engineers (대한전기학회)
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Effective Localized-Voltage Control Scheme using the Information from Pilot Bus

Pilot Bus의 정보를 이용한 효율적인 지역별 전압제어

  • 송성환 (서울대학 공대 전기.컴퓨터) ;
  • 윤용태 (서울대학 공대 전기.컴퓨터) ;
  • 문승일 (서울대학 공대 전기.컴퓨터) ;
  • 이호철 (서울대학 공대 전기.컴퓨터)
  • Published : 2006.12.01
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Abstract

One of the major reasons for recent blackout, like August 14, 2003 blackout in the US and Canada has been insufficient voltage/reactive power support. For the stable reactive power management, a new approach for the voltage monitoring and control structure is required in the market environment. This paper proposes the effective localized-voltage control scheme using the information from pilot buses at each zone. In this paper, the steady state voltage monitoring and control (SSVMC) is adopted and illustrated for the voltage control scheme during steady state because it is thought as the systemic algorithm to explain voltage profile phenomenon before and after contingencies. And the concept of electrical distance is applied to simultaneously achieve both clustering the voltage control zone, and selecting the pilot bus as the representative node at each control zone. Applying SSVMC based on the structure with clustering and pilot bus enables system operators to monitor and understand the system condition much more easily, to monitor and control the voltage in real-time more manageably, and to respond quickly to a disturbance. The proposed voltage control scheme has been tested on the IEEE 14-bus system with the numerical analysis to examine the system reliability and structure efficiency.

Keywords

References

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