基于CPLD的级联型多电平变频装置控制方法  

Research on the Control Method of Cascaded Multilevel Converter based on CPLD

作　　者：刘涛[1] 朱凌[1] 石新春[1] 

机构地区：[1]华北电力大学,河北保定071003

出　　处：《电力电子技术》2005年第1期58-60,共3页Power Electronics

摘　　要：提出了一种基于可编程逻辑器件的级联多电平变频装置控制方法。在分析级联多电平变频装置特点及其功率单元工作原理的基础上,设计了基于CPLD的通信接口、控制方案和死区产生算法。该方案有效地减小了变频装置多个功率单元之间的配合延迟时间,实现了系统的快速控制,保证了功率单元的可靠运行。仿真和实验结果证明了该方案的可行性。A CPLD-based control method for cascaded multilevel converter is proposed. The features of cascaded multilevel converter and operating principles of its power cells are introduced,and the CPLD-based communication interface,control method and dead time generating algorithm are designed.The scheme reduces the adjusting delay between power cells,realizes fast control of system and guarantees reliable operation of power cells. Simulation and experiment results prove its feasibility.

关 键 词：变频装置/级联多电平 通信接口 可编程逻辑器件 

分 类 号：TM921.51[电气工程—电力电子与电力传动]