| 基于AT89C52单片机的SPWM变频控制器的设计与实现 |
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| 引用本文： | 陶国彬.基于AT89C52单片机的SPWM变频控制器的设计与实现[J].科学技术与工程,2009,9(9). |
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| 作者姓名： | 陶国彬 |
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| 作者单位： | 大庆石油学院电气信息工程学院,大庆,163318 |
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| 摘 要： | 在深入分析8位单片机内部资源和SPWM脉宽调制原理的基础下,提出了一种基于8位单片机的等面积三相SPWM算法,并将其应用到三相交流异步电动机的变频调速控制中.实验结果表明,该方法行之有效,降低了变频控制器的开发成本.
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| 关 键 词： | 变频控制器 单片机 正弦波脉冲宽度调制(Sine Pulse Width Modulation SPWM) |
Design and Implement of SPWM Frequency Conversion Controller Based on AT89C52 |
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| TAO Guo-bin.Design and Implement of SPWM Frequency Conversion Controller Based on AT89C52[J].Science Technology and Engineering,2009,9(9). |
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| Authors: | TAO Guo-bin |
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| Institution: | Colloge of Electronic Information Engineering;Daqing Petroleum Institute;Daqing 163318;P.R.China |
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| Abstract: | An equal proportion arithmetic which is used to produce SPWM sigals of three phases is advanced,according to analysis of microcontroller interior components and SPWM principle,and is applied to control transducer for three phase AC asynchronous machine.It is indicated by experiments that the equal proportion arithmetic is valuable for transducer,in addition,it takes lower cost. |
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| Keywords: | frequency conversion controller microcontroller SPWM |
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