一、问题的提出近年来，随着国民经济及铁路运输业的发展，空压机在铁路车辆部门数量越来越多，容量越来越大，消耗的能源也相应地增加”】。如鹰潭车辆段到94年底，各种空压机已有14台，其中20立方的有2台，空压机的总装机容量已超过667千瓦，而且今后还将增加。修车车辆的架 First, the issue raised In recent years, with the national economy and the development of railway transport industry, air compressors in the railway vehicle sector an increasing number of more and more capacity, energy consumption also increased accordingly. "Such as Yingtan By the end of 1994, there were 14 air compressors, of which 20 were equipped with 2 air compressors and the total installed capacity of air compressors exceeded 667 kilowatts and will increase in the future.