地铁供电方式与接触网形式浅谈

本文对城市地铁采用的直流750V和直流1500V供电方式、架空接触网和第三轨进行了较为全面地介绍，对不同供电方式进行了比较。从受电质量、安全方面、景观效果和资金投入方面，对架空接触网和第三轨进行了全面地对比。结论证明，两者各有其优缺点。

Discussion on Power Supply Mode of Subway and the Form of Contact Net

This paper has carried on a more comprehensive introduction to the modes of 750V and 1500V power supply of city subway, the overhead contact line and the third, for di- fferent power supply and compared the modes. The author ca- rried on the contrast to the overhead contact line and third rail from the aspects of power quality, safety, landscape effect and monetary investment. The conclusion showed that each of th- em has its advantages and disadvantages.