基于ST72141的直流变速空调控制器设计  

Design of Controller of Variable Velocity DC Air-conditioner based on ST72141

作　　者：陈辉[1] 苗海亮[2] 

机构地区：[1]安徽理工大学,安徽合肥232001 [2]上海大学,上海200072

出　　处：《电力电子技术》2006年第6期25-26,36,共3页Power Electronics

摘　　要：阐述了无刷直流电机(BLDCM)的工作原理;分析了采用直接反电动势检测方案进行转子位置检测的机理;详细介绍了采用ST72141实现直流变速空调控制器的硬件设计;给出了其实验波形。实验结果表明,系统控制效果良好,硬件设计得到简化,具有较高的性价比。The principle of BLDCM is described,the application of d-BEMF detection method decreases the controlling complexity of sensorless Brushless DC,which indicates higher cost/performance ratio.With the development on outdoor machine controller of variable velocity DC air-conditioner, d-BEMF detection method is analyzed in theory.The controller design of DC air-conditioner is introduced in detail.Finally, some experiment results are given.

关 键 词：无刷直流电机 控制器 变频 空调 

分 类 号：TM33[电气工程—电机] TM571