我国超高压输电线路的特点及应用

摘要

In this paper, the present situation and development vista of China's electric poweris introduced and a conclusion that the building of a 500kV Extra-high voltage (EHV) transmission line is key in improving China's electric power system network in 21st century. Meanwhile, analyzes the characteristics and differences between the conventional line and compact line are analyzed, the selective methods of EHV transmission line are put forward. Finally a development tendency and application foreground of EHV transmission line are discussed.%介绍了我国电力系统的现状及发展,得出21世纪初20年是我国电力发展规模最大、最关键的时期.其重点是加强电网建设,特别是加强500kV超高压输电线路建设,它是21世纪我国电力系统联网的关键所在.分析了超高压输电线路常规型和紧凑型的特点及其区别,可知,在条件允许时采用紧凑型输电线路具有巨大的经济效益和实际意义.最后讨论了超高压输电线路的发展趋势及应用前景.