• [1]颉雅迪,何柏娜,孟 濤,等.特高壓高補償度串補線路潛供電弧特性研究[J].高壓電器,2019,55(07):78-86.[doi:10.13296/j.1001-1609.hva.2019.07.012]
         XIE Yadi,HE Baina,MENG Tao,et al.Research on Secondary Arc Characteristics of UHV Lines With High Compensation Degree Series Compensation[J].High Voltage Apparatus,2019,55(07):78-86.[doi:10.13296/j.1001-1609.hva.2019.07.012]
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        特高壓高補償度串補線路潛供電弧特性研究()
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        《高壓電器》[ISSN:1001-1609/CN:61-11271/TM]

        卷:
        第55卷
        期數:
        2019年07期
        頁碼:
        78-86
        欄目:
        研究與分析
        出版日期:
        2019-07-31

        文章信息/Info

        Title:
        Research on Secondary Arc Characteristics of UHV Lines With High Compensation Degree Series Compensation
        作者:
        颉雅迪1 何柏娜1 孟 濤2 李 輝3 甯家興1 孔 傑1 王樂淼1
        (1. 山東理工大學電氣與電子工程學院, 山東 淄博 255049; 2. 國網電力科學研究院武漢南瑞有限責任公司, 武漢 430074; 3. 中國電力科學研究院, 武漢 430074)
        Author(s):
        XIE Yadi1 HE Baina1 MENG Tao2 LI Hui3 NING Jiaxing1 KONG Jie1 WANG Lemiao1
        (1. Shandong University of Technology, College of Electrical and Electronic Engineering, Shandong Zibo 255049, China; 2.Wuhan NARI Limited Liability Company of State Grid Electric Power Research Institute, Wuhan 430074, China; 3. China Electric Power Research Institute, Wuhan 430074, China)
        關鍵詞:
        高補償度串補 潛供電流 恢複電壓 短接電阻 聯動旁路
        Keywords:
        high compensation degree series compensation secondary arc current recovery voltage short connection circuit resistance linkage bypass
        DOI:
        10.13296/j.1001-1609.hva.2019.07.012
        摘要:
        高補償度串補在遠距離大容量特高壓輸電線路中有廣闊的發展前景,但串補輸電線路發生單相接地故障産生的潛供電流包含高幅值低頻分量,不利于電弧快速熄弧。針對此問題,文中基于串補輸電線路産生潛供電弧的機理,采用ATP-EMTP電磁暫態程序建立特高壓串補系統仿真模型,並分別研究采用小電阻短接故障相串補以及聯動旁路串補措施對潛供電流、恢複電壓的抑制效果。結果表明,潛供電流的衰減速度與串補被短接或旁路的時刻有關,在斷路器跳閘前將串補短接或旁路,可加快電弧熄弧速度。該研究結果對特高壓大容量遠距離高補償度串補輸電線路的工程設計具有參考價值。
        Abstract:
        The high compensation degree series compensation has broad prospects for development in UHV transmission lines with long distance and large capacity. However, there is a high amplitude low frequency component of the secondary arc current produced by the single phase grounding fault occurring in the series compensation transmission lines, which is not conducive to the arc rapidly extinguishing. To solve this problem, based on the secondary arc current mechanism of series compensated transmission lines, the simulation model of series compensated UHV transmission lines is established by using ATP-EMTP simulation program, and the suppression effects of series compensation of short-connection fault with small resistance and series compensation of linkage bypass on the secondary arc current and recovery voltage are studied respectively. The results show that the decay speed of the secondary arc current is related to the short circuit or bypass time of the series compensation. Shorting or bypassing the series compensation before the breaker trips can increase the arc extinguishing speed. The research results have reference value for the design of UHV and high capacity long distance high compensation degree series compensated transmission lines.

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        備注/Memo

        備注/Memo:
        收稿日期:2018-11-01; 修回日期:2019-01-20 基金項目:山東省自然科學基金項目(ZR2016EL17);山東省高等學校科技計劃項目(J14LN27)。 Project Supported by Shandong Provincial Natural Science Fund Project(ZR2016EL17),Shandong Province Science and Technology Plan Projects(J14LN27). 颉雅迪(1995—),女,碩士研究生,從事電力系統暫態特性分析。 何柏娜(1977—),女,博士,副教授,從事電力系統暫態特性仿真及高電壓絕緣技術方面的教學與科研工作(通訊作者)。
        更新日期/Last Update: 2019-07-15