| 有源电力滤波器数字控制系统的研究 |
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| 引用本文： | 孙阳,张树团,高艳丽.有源电力滤波器数字控制系统的研究[J].机械与电子,2012(7):57-60. |
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| 作者姓名： | 孙阳 张树团 高艳丽 |
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| 作者单位： | 1. 海军航空工程学院新装备中心,山东烟台,264001
2. 海军航空工程学院控制工程系,山东烟台,264001 |
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| 摘 要： | 对有源电力滤波器全数字化控制系统的总体方案进行了设计,并联电压型三相有源电力滤波器主电路直流侧电容电压保持恒定,同时输出电流跟踪指令电流信号,详细设计了过零同步信号产生电路,并且利用PWM控制信号直接控制开关器件的导通与关断.谐波电流检测采用了瞬时无功功率理论的检测方法.最后用Matlab对有源电力系统搭建了模型并且进行了仿真,仿真结果验证了谐波电流检测方法的有效性及控制方案的可行性,可以更好地实现动态抑制谐波和无功补偿,并且整体设计精简了外设,能实现更多的控制算法.
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| 关 键 词： | TMS320F2812 有源电力滤波器 电流检测 瞬时无功功率 |
Research of Digital Control System of Active Power Filter |
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| SUN Yang
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ZHANG Shu-tuan
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GAO Yan-li.Research of Digital Control System of Active Power Filter[J].Machinery & Electronics,2012(7):57-60. |
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| Authors: | SUN Yang ZHANG Shu-tuan GAO Yan-li |
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| Affiliation: | 1.New Equipment Training Centre,Navel Aeronautical and Astronautical University,Yantai 264001,China;2.Department of Control Engineering,Navel Aeronautical and Astronautical University,Yantai 264001,China) |
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| Abstract: | The overall program designs digital control system of active power filter,including the main circuit DC bus voltage constant,while the output current to track the current command signal and detailed design of a zero synchronous signal generating circuit and the PWM control signal to the direct control of the switching device turn on and off.The article uses the instantaneous reactive power theory of harmonic current detection methods and the model of the active power system simulation in Matlab,the results show the effectiveness of harmonic current detection method and control scheme is feasible,it can better achieve the dynamic harmonic suppression and reactive power compensation.The overall design streamlines peripheral;you can achieve more control algorithm. |
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| Keywords: | TMS320F2812 active power filter current detection instantaneous reactive power |
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