The power transmission project of 330kV Jiuzai Substation is a key project of the "Thirteen Five-Year" Development Plan of Yulin Power Grid, and a major basic project in the economic development of Yulin. The Project is designed according to intelligent substation, and the high-voltage equipment in the substation is arranged at 330kV voltage level. Jiuzai Substation is the first 330kV substation of Shaanxi regional electric power system, with high voltage level, high power supply capability and wide coverage range, which greatly improves the structure of power grid in northern Shaanxi. The arrester intelligent monitoring system of the project is provided by Xi'an Shendian and used to uniformly monitor the independent arresters and GIS arresters in the whole substation [in watt]. The system has operated in good condition since it was put in operation.

(330kV Jiu Zhai site photos)