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          1. [1]李 莉,張彼德,方春恩,等.一種混合式高壓直流斷路器的換流特性研究[J].高壓電器,2019,55(08):101-107.[doi:10.13296/j.1001-1609.hva.2019.08.014]
             LI Li,ZHANG Bide,FANG Chunen,et al.Analysis on Current Commutation Characteristics of a Hybrid HVDC Circuit Breaker[J].High Voltage Apparatus,2019,55(08):101-107.[doi:10.13296/j.1001-1609.hva.2019.08.014]
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            一種混合式高壓直流斷路器的換流特性研究()
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            《高壓電器》[ISSN:1001-1609/CN:61-11271/TM]

            卷:
            第55卷
            期數:
            2019年08期
            頁碼:
            101-107
            欄目:
            研究與分析
            出版日期:
            2019-08-15

            文章信息/Info

            Title:
            Analysis on Current Commutation Characteristics of a Hybrid HVDC Circuit Breaker
            作者:
            李 莉 張彼德 方春恩 唐小雨 李 偉
            (西華大學電氣與電子信息學院, 成都 610039)
            Author(s):
            LI Li ZHANG Bide FANG Chun’en TANG Xiaoyu LI Wei
            (School of Electrical Engineering and Electronic Information, Xihua University, Chengdu 610039, China)
            關鍵詞:
            混合式直流斷路器 電流換流特性 換流模型 開斷時間 故障切除
            Keywords:
            hybrid DC circuit breaker current commutation characteristics commutation model interrupt time fault isolating
            DOI:
            10.13296/j.1001-1609.hva.2019.08.014
            摘要:
            高壓直流電網發生短路故障時,爲了系統安全穩定運行,直流斷路器應在很短的時間內 切除故障線路,而電流轉移過程是斷路器成功切斷故障電流的關鍵。文中對級聯全橋混合式高 壓直流斷路器換流過程進行分析,著重研究了故障電流分斷過程中斷路器的3次換流過程,並建 立換流過程的等效模型。在PSCAD/EMTDC中仿真分析了3次換流過程的主要影響因素及其影響規 律,得到混合式斷路器的換流特性結論,爲研制開斷時間更短、開斷容量更高的直流混合式斷 路器提供參考。
            Abstract:
            Current commutation is extremely important for a DC circuit breaker to successfully interrupt fault current. In this paper, the transient characteristics of the cascaded full-bridge DC breaker are analyzed with emphasis on three current commutations during the interruption process, and an equivalent model of the commutation process is established. The main influencing parameters of the current commutations and the influencing rule are investigated via PSCAD/EMTDC,and the commutation characteristics of the hybrid circuit breaker are obtained. This study may offer a reference for the development of hybrid HVDC circuit breakers with shorter switching time and higher breaking capacity.

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            備注/Memo

            備注/Memo:
            李 莉(1992—),女,碩士研究生,研究方向爲智能化高壓電器。 張彼德(1975—),男,教授,研究方向爲智能化高壓電器。 方春恩(1975—),男,教授,研究方向爲智能化高壓電器。 收稿日期:2019-02-03; 修回日期:2019-03-28 基金項目:四川省電力電子節能技術與裝備重點實驗室項目(SZJJ2015-064)。 Project Supported by Sichuan Province Key Laboratory of Power Electronics Energy- saving Technologies & Equipment(SZJJ2015-064).
            更新日期/Last Update: 2019-08-16