Development of a Gas-Cooled, Large-Capacity, Gas-Insulated Shunt Reactor

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  • 大容量ガス絶縁分路リアクトルの開発と製品化
  • ダイ ヨウリョウ ガス ゼツエン ブンロ リアクトル ノ カイハツ ト セイヒンカ

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Abstract

Recently, substations have been increasingly installed in underground of urban areas to provide a stable power supply, and gas-insulated substation equipment is popular due to its compactness, incombustibility and explosion-proof to prevent disasters. So, 275kV-150MVA gas-insulated shunt reactor, the world largest capacity as gas insulated type, was developed and commercialized.<br> This paper describes research conducted on the development of a gas-cooled, large-capacity, gas-insulated shunt reactor. Authors carried out by rapid wave surge overvoltage test, numerical analysis of thermal fluid, measurement of winding temperature by using optical fiber and verification test on reliability of construction.<br> This reactor has operated normally for three years. The operating performance of the reactor in this term has been confirmed by gas analysis, and no abnormal phenomenon has been demonstrated.

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