State grid companies ultra-high voltage dc test site

State Grid Corporation UHV DC test base by the outdoor test site, the DC test line, the corona cage test hall, insulators and surge arresters laboratory, filthy, and environmental test chamber, converter valve test chamber and other components. Made of UHV DC test base in the demonstration program, research design, construction, commissioning and other 15 world, 55 patent applications, the comprehensive experimental ability to reach the international advanced level of similar test site.