innovatively and successfully solved the thermalmanagement issue of the preset container of NARI. It also creates good reference for the preset container thermalmanagement when it is popularized in more industries [...] Study Outdoor Cooling Unit in NARI Ultra High Voltage Converter Station Pfannenberg provides thermalmanagement solution for the new application of preset container in the converter station of the State [...] national plan of China. Fig. 2: Position of the UHVDC cable from Lingzhou, province of Ningxia to Shaoxing, province of Zhejiang on a map. Pfannenberg’s customer, NARI Technology Co., Ltd. (abbr. as NARI)