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分析了重载列车机车牵引功率确定中必须考虑的因素，即列车阻力、各种主型内燃机车的牵引特性及软周功率，牵引不同重量的重载列车所需机车轮周功率的计算，保证行车密度为6分钟追踪列车间隔必须达到的列车平均达度及机车最小轮周功率，6‰坡道上的起动能力等问题。指出对于重载列车的机车牵引功率大体上可以这样配置：10000t以下牵引定数的重载列车，机车功率配置应达到0．85kw/t;10000t及以上牵引定数的重载列车，机车功申配置应达到0．95kw/t。
The factors that must be considered in determining the traction power of heavy-haul train locomotives are the train resistance, the traction characteristics of various main diesel locomotives and the soft-week power, the calculation and assurance of the wheel power of the locomotive wheels required for heavy-haulage trains with different weights Train density of 6 minutes to track the train interval must reach the average train speed and the minimum weekly power locomotive, 6 ‰ ramp on the starting ability and other issues. It is pointed out that the traction power of locomotive for heavy-haul trains can be generally configured as follows: heavy-haul trains with a fixed number less than 10000t should have a locomotive power allocation of 0.85kw / t; heavy haul trains with a traction number of 10000t and above should be configured Reaching 0.95kw / t.