面对我国电力需求依然很大、跨省区电力流将持续增大等现状,以及西南水电、内蒙古和西北电力外送“瓶颈”问题日益突出,国家电网把特高压发展作为今后工作的重中之重。国家电网规划从2013年起的8年间,投资约1.2万亿元,投产特高压线路9.4万km、变电容量3.2亿kVA、换流容量4.6亿kW,到2015年、2017年和2020年,分别建成“两纵两 The face of China’s electricity demand is still large, cross-provincial power flow will continue to increase the status quo, as well as the Southwest Hydropower, Inner Mongolia and Northwest Electricity delivery ”bottleneck “ issue becomes increasingly prominent, the State Grid to the development of UHV as the future work Top priority. In the eight years from 2013, the national grid plan has invested about 1.2 trillion yuan, put into operation 94,000 km of UHV transmission lines, and has a capacity of 320 million kVA and capacity of 460 million kW. In 2015, 2017 and 2020, Respectively, built ”two vertical two