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Electric locomotives are locomotives driven by electricity, and locomotives that need to be driven by electricity must have safe transmission lines and safe power systems in order to operate normally. If there is no insulator, or the insulation performance of the insulator is poor, it will occur, and when the pantograph of the train comes into contact with the tens of kilovolts f transmission line, an unimaginable accident will occur, because the train is a conductor, and the wheel of the train is and the rail constitute the entire E source circuit, so it constitutes a short circuit of the entire line, which is unimaginable.
Therefore, the locomotive must have good insulation between the pantograph and the locomotive, so that the power supply can be smoothly introduced into the electric traction system for normal use, and then pass through the body wheel and the railway track structure T loop. This is the overall power circuit of an electric locomotive. That is, it shows that the importance of the insulator between the pantograph and the body is not to be underestimated, not optional, and very important.
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