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机车计算粘着系数的确定,是一个复杂而主要的问题,它直接关系到铁路运输工作最重要的技术经济指标之一——列车牵引定数。影响粘着系数的因素是多种的,这些因素最终又决定着机车的牵引性质。所以,最后的结果是要根据长期或短期的试验来决定,并以牵规(птр)中的经验公式表示出来。随着机车结构和空转保护系统的不断完善,每一代电力机车的计算粘着系数都得到了不断的提高,虽然提高得不多。
Locomotive calculation of adhesion coefficient is a complex and the main problem, which is directly related to the railway transport one of the most important technical and economic indicators - the number of train traction. Factors that affect the adhesion coefficient are many, these factors ultimately determine the traction of the locomotive nature. Therefore, the final result is based on long-term or short-term trials and is expressed in experiential formula (птр). With the continuous improvement of the locomotive structure and idling protection system, the calculated adhesion coefficient of each generation of electric locomotives has been constantly improved, though not much.