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空压机由DC110V电动机驱动是国产机车的传统模式，主要优点是空压机的压风量不随柴油机转速变化，满足了机车制动系统用风需要，CK5型机车也采用了这种模式。如果机车能实现柴油机直接驱动空压机，则可简化机车电气系统，减少故障率，降低机车制造成本，并提高辅助传动效率。本文以CK5型机车为对象进行了可行性研究。
Air compressor driven by DC110V motor is a traditional locomotive model, the main advantage is that the amount of air compressor air pressure does not vary with the diesel engine speed to meet the locomotive braking system needs wind, CK5 locomotive also uses this mode. If the locomotive can directly drive the air compressor diesel engine, you can simplify the locomotive electrical system to reduce the failure rate, reduce locomotive manufacturing costs and improve auxiliary transmission efficiency. In this paper, CK5 locomotive for the feasibility study.