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介绍了电气化铁道接触网的保护机理,论述了回流线加避雷器、回流线加双重绝缘、回流线加闪络保护地线3种接触网保护方式的原理及优缺点,并从技术、经济方面进行了比较。
The protection mechanism of the electrified railway catenary is introduced. The principle, advantages and disadvantages of three kinds of catenary protection methods of the return line plus arrester, the double insulation of the return line, the return line and the flashover protection ground are discussed. Economic comparison.