전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제66권12호
  • /
  • Pages.1689-1696
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  • 2017
  • /
  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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CVR을 위한 전압 계측 기반 전압 및 무효전력 협조제어

Voltage Measurement-based coordinated Volt/VAR Control for Conservation Voltage Reduction

  • Go, Seok-Il (Dept. of Electrical Engineering, Chonnam National University) ;
  • Choi, Joon-Ho (Dept. of Electrical Engineering, Chonnam National University) ;
  • Ahn, Seon-Ju (Dept. of Electrical Engineering, Chonnam National University) ;
  • Yun, Sang-Yun (Dept. of Electrical Engineering, Chonnam National University)
  • 투고 : 2017.10.07
  • 심사 : 2017.11.23
  • 발행 : 2017.12.01
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초록

In this paper, the voltage measurement-based coordinated Voltage/VAR control (VMCVVC) algorithm for conservation voltage reduction(CVR) is proposed. The proposed algorithm has the purpose of enhancing the CVR effect through coordinated control of the voltage control devices such as the distributed energy resources and the load tap changer(LTC) transformers. It calculates the references of the voltage control devices such that the bus voltages are maintained at as close to the lower operation limit as possible. For this purpose, firstly, the distribution system is divided into LTC transformer control zones through topological search. Secondly, the reactive power references of the reactive power control devices are determined such that the voltage profile of the section is flattened. Finally, the tap references of the LTC transformers are calculated to lower the voltage profile. The effectiveness of the proposed algorithm is demonstrated through case studies using IEEE test network.

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참고문헌

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