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异步电动机变频调速功率因数控制系统仿真研究 被引量:1

Power Factor Control for Variable Frequency Induction Motor
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摘要 本文以异步电动机节能运行为目的,研究了功率因数与异步电动机自身参数以及转差角频率之间的关系,在变频调速的基础上,增加对功率因数的控制,建立转速闭环的异步电动机功率因数控制系统。并利用MATLAB进行仿真,表明了通过功率因数控制系统的作用,异步电动机在空载和轻载时有很好的节能效果。 A power factor control system based on the SPWM technique is proposed in the paper. The simulation results show that the system has positive effects on energy saving, especially when the motor is with no load or little load.
作者 孙滨 李楠
出处 《自动化技术与应用》 2007年第6期25-26,共2页 Techniques of Automation and Applications
关键词 异步电动机 功率因数 变频调速系统 SPWM逆变器 induction motor power factor variable frequency variable speed system SPWM inverter
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