Controller Development and Evaluation for Customers Static Capacitor by Current Measurement

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概要

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• High-voltage supplied customers install static capacitors to improve their power factor (PF) at their interconnection points. However, most of them are excessive and this makes system PF in distribution network extremely-leading. This is caused by two economical grounds. One is because utilities assume excess reactive power for their load to get full discount for PF improvement. The other is expensiveness of static capacitor (SC) controllers.The authors propose new SC control logic that involves simple electric current measurement without voltage or reactive power, which enables economical controller productions. The basic functions are mounted on verification test devices and evaluated in fields for several months. This paper presents the logic and verification test result.

著者

• 松田 勝弘

  東北電力（株）研究開発センター

• 片岡 義則

  （株）指月電機製作所　第一事業本部

• 二上 貴文

  東北電力（株）研究開発センター

• 高野 富裕

  三菱電機（株）先端技術総合研究所

• 小林 浩

  （株）トーエネック　技術開発室

関連論文

• 低圧配電系統解析システムの開発
• Controller Development and Evaluation for Customers Static Capacitor by Current Measurement

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