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Langfang, China

Che W.-J.,EPRI Toshiba Arrestor Co. | Zhang X.-X.,EPRI Toshiba Arrestor Co. | Li M.-G.,EPRI Toshiba Arrestor Co. | Zhao D.-C.,EPRI Toshiba Arrestor Co. | And 3 more authors.
Gaodianya Jishu/High Voltage Engineering | Year: 2010

On January 6, 2009, Jindongnan-Nanyang-Jingmen 1000 kV UHV AC pilot demonstration project was successfully put into operation, so far the system is running smoothly and equipment is in good condition. EPRI Toshiba Arrester Co., Ltd. provides GIS and porcelain housed surge arresters. The research and development process and performance of GIS and porcelain housed surge arresters are reviewed detailedly. Research and development work, including high energy capacity ZnO elements, GIS and porcelain housed surge arresters, is based on the key technologies of Toshiba. High energy capacity ZnO element, which has sufficient safety margin, meets the requirements of 1000 kV GIS and porcelain housed surge arresters fully, and has actually applied to 500 kV and 750 kV porcelain housed surge arresters. Potential distribution of GIS surge arresters analytical results and measured results are consistent, and meet the requirements of bid documents and technology agreements. Porcelain housed surge arresters are an international ground-breaking products, which apply four key technologies with the actual operation performance of Toshiba. Especially the damping technology(device) significantly reduces the root stress of porcelain bushing to meet anti-earthquake requirements. On the basis of introducing the development process and results, we summarize research and design work, in order to accumulate experience and raise awareness, and better serve for other UHV AC projects.

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