直流电与交流电的传输及其优缺点

Transmission of direct current and alternating current and their advantages and disadvantages

比较了直流电与交流电传输的优缺点,阐述了我国直流输电的现状和发展前景,介绍了减小输电线路功率损失和电压损失的方法,分析了远距离输电采用高压输电的原因,以达到减小输电线路损耗的功率,提高用电效率的目的。

The following paper compares the advantages and disadvantages between current and alternating current transmission, illustrates present condition and long-term potential of direct current transmission in Our country, introduces the methods to reduce the loss of transmission line power and voltage, and analyzes the causes of using high-voltage power transmission in long-term power transmission, in order to reduce the loss of transmission line power and increase electric power utilization efficiency.