新北海道本州間連系設備における電流ゼロミス現象の対策

カテゴリ: 部門大会

論文No: 32

グループ名: 【B】令和3年電気学会電力・エネルギー部門大会

発行日: 2021/08/12

タイトル(英語): Countermeasures for current zero miss phenomena for New Hokkaido-Honshu HVDC Link

著者名: 盛正憲（北海道電力ネットワーク），内海貴徳（北海道電力ネットワーク），苅部孝史（東芝エネルギーシステムズ），鈴木大地（東芝エネルギーシステムズ）

著者名(英語): Masanori Mori (Hokkaido Electric Power Network, Inc), Takanori Uchiumi (Hokkaido Electric Power Network, Inc), Takafumi Karube (Toshiba Energy Systems & Solutions Corporation), Daichi Suzuki (Toshiba Energy Systems & Solutions Corporation)

キーワード: 高圧直流送電（HVDC）|自励式変換器|モジュラーマルチレベル変換器|電流ゼロミス|high voltage direct current|voltage-sourced converter|modular multilevel converter|current zero miss

要約(英語): 250 kV-300 MW New Hokkaido-Honshu HVDC Link is the first HVDC system applying voltage-sourced-converter in Japan. There were risks of equipment damage and system impact spreading at this VSC-HVDC Link due to VSC peculiar current zero miss phenomena that might occur in some cases of converter failure or converter transformer failure. Therefore, we took measures against current zero miss by applying a high-speed switch that forcibly grounds the DC main line. In this paper we present the phenomena and the countermeasure of current zero miss.

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