交流传动机车传动控制单元的设计要素

Design elements of DCU for AC drive locomotive

介绍了交流传动机车传动控制单元（DCU）的发展状况,阐述了DCU功能模块的设计要素以及实现通用化、模块化设计的几点基本原则。讨论了DCU微处理器的选择原则及逆变器控制和计算的主要任务,论述了DCU的自检与系统保护方法及DCU与上级微机系统的通信特点。

The development of DCU for AC drive locomotives is presented. Design elements of DCU modules and the fundamental principles for generalization and modularization design are put forward. Selection principle of DCU microprocessor as well as main tasks of inverter control and computation is pointed out. In the end elaborated are the self-checking and system protections of DCU and the communication characteristics between DCU and upper level computer system.