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表1列出了日本和欧洲一些国家铁路的概况。在铁路电气化方面,法国早先推行过直流1500伏电化方式,自1955年单相50赫芝25千伏成功以来,决定在干线采用交流电化,现在南部是直流1500伏方式,东北部是交流25千伏方式,电化率为27%,其中直流电化线路稍长;英国,南部是直流600~800伏并尚有部分直流1200伏方式,1966年伦敦—曼彻斯特完成交流电化以来,决定采用交流电化方式,并对直流电化区段进行改造,为了经济,对直流1500伏和对地距离不足的线路,采用了6.25千伏的交流
Table 1 shows an overview of the railways in Japan and some European countries. In the field of railway electrification, France had previously implemented the direct-flow 1500-volt electrochemical method. Since the single-phase 50-hertz 25-kV success in 1955, France decided to adopt AC power in the main line. Now the south is direct current 1500V and the northeast is 25,000 AC Volt way, the rate of 27%, of which the DC power line slightly longer; the United Kingdom, the southern part of the DC 600 ~ 800 V and some DC 1200 V, 1966 London - Manchester AC power since the completion of the decision to adopt AC power, And the transformation of the DC section, in order to economy, on the direct-flow 1500 volts and the distance to the lack of lines, the use of 6.25 kV AC