中高压开关设备的发展及其在工业企业的应用

The development of medium & high voltage switching equipment and the application in industry enterprises

金属封闭组合电器(GIS、PASS、C-GIS)在新建大型水泥生产线的变电站中越来越多地被采用。文章详细分析了GIS、PASS、C-GIS这三种封闭式组合电器的性能特点、结构以及相互间的性能比较和投资比较;简要介绍了ZCW系列敞开式组合电器的性能优势。另外,对早已大量应用于工业企业的中压真空断路器,进行了发展历程、发展趋势、型号分类、和设计选用的全方位介绍。

More and more gas insulated combined electrical apparatus such as GIS, PASS, C-GIS are employed in the construction of large scale cement production lines. This paper analyses the features, structures of GIS, PASS and C-GIS, makes a comparison of the performances and investment costs of these three apparatuses, and then introduces the pros and cons of ZCW serial open-type products. The article also gives full introduction of the development history and trend, type catalogues and design selection of MV vacuum breaker which has been widely used in industrial enterprises.