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1983年，美国Amtrak客运铁路公司开始在电传动内燃机车和电力机车上应用大型直流牵引电动机。因此，Amtrak铁路官员决定要获得当时正被推荐作为解决牵引电动机存在的许多问题方案的交流牵引技术的第一手经验。文中介绍了由ABB公司和EMD／西门子公司为Amtrak铁路提供的交流传动机车的历史和运用经验；讨论了交流传动系统的效果和为了改进客车集中供电的可靠性而采用的冗余技术；描述了包括目前可供利用的诊断故障数据的维修体系的改进以及预期的高速内燃机车、电力机车和动车组未来的性能。
In 1983, the United States Amtrak passenger railroad company began to apply large DC traction motors on electric drive diesel locomotives and electric locomotives. As a result, Amtrak Rail officials decided to gain first-hand experience with AC traction technology that was currently being recommended as a solution to many problems with traction motors. This paper presents the history and application of AC tractors provided by ABB and EMD / Siemens for the Amtrak Railway. It discusses the effectiveness of AC drive systems and the redundancy techniques used to improve the reliability of bus centralized power supplies. It describes Improvements to the maintenance system that includes the currently available diagnostic trouble data, and the expected future performance of high-speed diesel locomotives, electric locomotives and EMUs.