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针对高寒地区漏泄量允许值增加到40 k Pa/min时的货物列车制动性能进行了一系列试验,分析了不同列车主管定压对漏泄值增大情况下的适应性。试验结果表明:在相同的漏泄条件下,列车制动主管设置定压为600k Pa会使得其漏泄量较定压500 k Pa时更大;高寒地区漏泄量偏大条件下,不同制动主管定压对列车制动能力的影响较小,在制动调速和常用全制动停车时其性能表现基本一致。
A series of tests were carried out on the braking performance of freight trains when the permissible value of leakage in the alpine region was increased to 40 k Pa / min. The adaptability of different train supervisors to the increase of leakage was analyzed. The experimental results show that under the same leakage condition, the setting of 600kPa constant pressure in the main brake of the train will make the leakage rate larger than that of the constant pressure of 500k Pa. Under the condition of large leakage in the alpine region, The impact of the pressure on the braking capacity of the train is small, and its performance is basically the same when the brake speed is adjusted and the commonly used full-stop parking.