三相共箱氣體絕緣開關用電子式互感器及其應用
羅蘇南，須雷，張廣泰，董雋，石親民
南京南瑞繼保電氣有限公司，江蘇 南京 211102
摘 要： 針對智能變電站信息數字化、功能集成化、結構緊湊化的要求，開發了一種用于三相共箱氣體絕緣開關的新型電子式電流電壓組合互感器，介紹了其原理、結構、主要技術參數及應用情況，并對其實用化關鍵技術進行了分析。實際工程應用表明，該產品運行穩定可靠，應用前景廣闊。
關鍵詞： 氣體絕緣開關；三相共箱；電子式互感器；快速暫態過電壓
中圖分類號：TM451；TM452 文獻標識碼：A 文章編號：1007-3175(2013)05-0031-04
Electronic Transformer for Three-Phase Common Case Gas Insulated Switchgear and Its Application
LUO Su-nan, XU Lei, ZHANG Guang-tai, DONG Jun, SHI Qin-min
Nari-Relays Electric Co., Ltd, Nanjing 2111 02, China
Abstract: Aiming at the requirements of information digitalization, functions integration and compacted structure in intelligent substation, this paper developed a new type of electronic transformer combining current with voltage, which could be used for three-phase common case gas insulated switchgear (GIS). Introduction was made to its principle, structure, main technical data and application, and analysis was carried out for its practical key technologies. Practical engineering application shows that the product is stable and reliable in operation with broad application prospect.
Key words: gas insulated switchgear; three-phase common case; electronic transformer; very fast transient overvoltage
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