斩波式内反馈串级调速系统在离心泵工况调节中的应用  

Application of Internal Feedback Cascade Speed Control System with Chopper in Centrifugal Pump Working Condition Adjustment

作　　者：马瑞 莫岳平 钱坤 孙欢欢 史宏俊 

机构地区：[1]扬州大学水利与能源动力工程学院,江苏扬州225127

出　　处：《电工电气》2016年第5期29-32,共4页Electrotechnics Electric

基　　金：国家自然科学基金项目(51207135);江苏省自然科学基金项目(BK2012266);扬州大学研究生培养创新工程基金资助项目(CXLX_1416)

摘　　要：介绍了国内离心泵工况调节的主要方法,以及内反馈电机的结构与斩波式内反馈串级调速系统的工作原理。分析了斩波内反馈串级调速系统在调速时的效率以及功率因数,得出其在调速时具有功率因数高和效率高的特点,实际应用表明,该系统在离心泵工况调节中调速性能好且经济节能。Introduction was made to the main method of domestic centrifugal pump working condition adjustment, the structure of internal feedback motor and the working principle of internal feedback cascade speed control system. This paper analyzed the efficiency and power fac-tor of Internal feedback cascade speed control system with chopper, concluding that this system has high efficiency and power factor. The practi-cal application shows that the system has the advantages of good speed control performance with low investment and economy energy.

关 键 词：离心泵 工况调节 内反馈 斩波器 

分 类 号：TH311[机械工程—机械制造及自动化]