特高壓斷路器近區(qū)故障合成試驗(yàn)用人工數(shù)學(xué)鏈路設(shè)計(jì)研究
瞿哲奕1,2，洪深1,2，陳勇1,2，鄭占鋒1,2，周文杰1,2，張玲1,2
（1 國(guó)網(wǎng)電力科學(xué)研究院有限公司，江蘇 南京 211000；2 國(guó)網(wǎng)電科院檢測(cè)認(rèn)證技術(shù)有限公司，江蘇 南京 211000）
摘 要：近區(qū)故障開斷特性是斷路器型式試驗(yàn)中的重要考核項(xiàng)目。就模擬一段架空線路的人工數(shù)學(xué)鏈路進(jìn)行了研究及設(shè)計(jì)，介紹了人工數(shù)學(xué)鏈路設(shè)計(jì)及選型，對(duì)鏈路結(jié)構(gòu)設(shè)計(jì)進(jìn)行了闡述，并從人工數(shù)學(xué)鏈路的原理結(jié)構(gòu)、參數(shù)計(jì)算、元器件選型以及過電壓分析等方面進(jìn)行了仿真計(jì)算，最終設(shè)計(jì)出了滿足800 kV/63 kA整極、1 200 kV/80 kA半極近區(qū)故障試驗(yàn)要求的人工數(shù)學(xué)鏈路，并且與實(shí)際架空線路有較好的等價(jià)性。
關(guān)鍵詞：近區(qū)故障；人工數(shù)學(xué)鏈路；合成試驗(yàn)；元件選型；過電壓分析
中圖分類號(hào)：TM561；TM726.3 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1007-3175(2019)12-0053-06
Artificial Mathematics Link Design Research Used in EHV Circuit Breaker Close-In Fault Synthetic Test
QU Zhe-yi1,2, HONG Shen1,2, CHEN Yong1,2, ZHENG Zhan-feng1,2, ZHOU Wen-jie1,2, ZHANG Ling1,2
（1 State Grid Electric Power Research Institute, Nanjing 211 000, China;
2 State Grid Power Testing and Certification Technology Co., Ltd, Nanjing 211 000, China）
Abstract: The close-in fault making and breaking characteristic is the important evaluation indicator in circuit breaker type tests. A length of overhead line of artificial mathematics link was simulated to carry out research and design. Introduction was made to the artificial mathematics link design and selection. This paper expounded the link structure design and carried out simulated calculation from the aspects of principle structure of artificial mathematics link, parameter calculation, components selection and overvoltage, and designed the artificial mathematics link meeting the requirement of 800 kV/63 kA whole polarity, 1 200 kV/80 kA half polarity close-in fault tests, closely equivalent to the practical overhead line.
Key words: close-in fault; artificial mathematics link; synthetic test; components selection; overvoltage analysis
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