Suggestion the construction of Northwest power grid with higher voltage level is presented in this paper. It is suggested to adopt 750kV voltage level, and build 750kV intermediate test section from Manping to Lanzhou with the length of 100km.

• 主要对西北电网高一级电压建设提出建议，提出在330kV电压等级上采用750kV电压等级，并建议先建100 km左右的满坪－兰州750 kV中间试验线段。