A SVR Control Method with Switching Multiple LDC Parameters Using Measurement Data of Distribution Systems

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  • Goto Ryuta
    Graduate School of Engineering, Yokohama National University
  • Tsuji Takao
    Graduate School of Engineering, Yokohama National University
  • Oyama Tsutomu
    Graduate School of Engineering, Yokohama National University
  • Hayashi Naoki
    Tokyo Electric Power Company Holdings, Inc.
  • Takahashi Kazuki
    Tokyo Electric Power Company Power Grid, Inc.
  • Akagi Satoru
    Tokyo Electric Power Company Power Grid, Inc.
  • Hashikawa Kazuyoshi
    Distribution Smart Grid Group, Distribution Dept. Kansai Transmission and Distribution, Inc.
  • Hokazono Hideyasu
    Distribution Smart Grid Group, Distribution Dept. Kansai Transmission and Distribution, Inc.
  • Kuwashita Yukiyasu
    Distribution Smart Grid Group, Distribution Dept. Kansai Transmission and Distribution, Inc.

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Other Title
  • 配電系統のセンサ計測情報を用いた複数の整定値切替によるSVR最適制御手法の検討
  • ハイデン ケイトウ ノ センサ ケイソク ジョウホウ オ モチイタ フクスウ ノ セイテイチ キリカエ ニ ヨル SVR サイテキ セイギョ シュホウ ノ ケントウ

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Abstract

<p>The voltage regulation in distribution systems becomes more important these days due to the more complicated power flow profile caused by the integration of variable renewable energy sources such as photovoltaic (PV). Step voltage regulator (SVR) and load ratio controlled transformer (LRT) have been mainly used for the voltage regulation conventionally based on decentralized control methods using line drop compensation (LDC) logic for estimation of voltage drop at secondary side of the SVR. Here, it has been required for distribution system operator to determine LDC parameters properly to estimate the voltage drop based on locally measured information. Hence, in this paper, we proposed an advanced LDC logic in which the parameters can be flexibly switched based on the power flow conditions. The effectiveness of the proposed method was verified using 41-node distribution system model with PV.</p>

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