Continuous Operation of Power Plants under DC Line Switching Operation in Multi-Circuit HVDC Transmission System

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  • Enomoto Mitsuyoshi
    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
  • Sano Kenichiro
    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
  • Kanno Junya
    TEPCO Research Institute, Tokyo Electric Power Company Holdings
  • Fukushima Junichi
    TEPCO Research Institute, Tokyo Electric Power Company Holdings

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  • 多回線直流送電の系統切替時における発電設備の運転継続法
  • タカイセン チョクリュウ ソウデン ノ ケイトウ キリカエジ ニ オケル ハツデン セツビ ノ ウンテン ケイゾクホウ

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<p>This paper proposes a switching sequence for enabling continuous operation of power plants under DC line faults in the multi-circuit HVDC transmission system. The conventional switching method requires a shutdown and a restart of the power plant after the DC line faults, resulting in power outage for more than several minutes. The proposed switching method enables the continuous operation of the power plant and reduces the power outage after the DC line faults. Simulation results demonstrate that the proposed method reduces the power outage to 0.2 seconds.</p>

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