The theory of electric railway traction power supply is discussed. The characteristics of load of electrification traction are analyzed. The effect of electric locomotive loads on power grid operation and damage to equipment are studied. The solution is proposed from aspects of technics and management.%阐述电铁牵引供电系统的原理,分析电铁牵引负荷的特点,研究电铁负荷对电力系统运行的影响及对设备的危害,并从技术上和管理上提出解决措施。
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