| 改进并联混合型有源滤波器在大功率非线性负载中的应用 |
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| 引用本文： | 王少杰,罗安.改进并联混合型有源滤波器在大功率非线性负载中的应用[J].低压电器,2009(9). |
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| 作者姓名： | 王少杰 罗安 |
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| 作者单位： | 1. 湖南大学,电气与信息工程学院,湖南,长沙,410082;邵阳学院,电气与信息工程系,湖南,邵阳,422000
2. 湖南大学,电气与信息工程学院,湖南,长沙,410082 |
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| 基金项目： | 国家自然科学基金，国家高技术研究发展计划(863计划)，湖南省教育厅优秀青年科研项目 |
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| 摘 要： | 提出了一种改进型并联混合型有源滤波器.针对非线性负载产生的主要谐波分量,将逆变器与无源滤波器电感并联设计,利用并联滤波电感的分流作用以降低逆变器电流容量、输出电压频率和开关频率,并在逆变器发生故障时滤波器仍能正常工作.针对单次谐波电流检测,应用了一种改进滑动窗算法.仿真和试验结果表明,该混合型有源滤波器不仅具有良好的滤波效果,而且能减少逆变器电流.
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| 关 键 词： | 非线性负载 有源滤波器 单次谐波 滑动窗 检测 |
Application of Improved Shunt Hybrid Active Power Filter for High Power Nonlinear Loads |
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| WANG Shaojie,LUO An.Application of Improved Shunt Hybrid Active Power Filter for High Power Nonlinear Loads[J].Low Voltage Apparatus,2009(9). |
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| Authors: | WANG Shaojie LUO An |
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| Affiliation: | 1;2;1.College of Electrical and Information Engineering;Hunan University;Changsha 410082;China;2.Department of Electrical and Information Engineering;Shaoyang University;Shaoyang 422000;China |
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| Abstract: | An improved shunt hybrid active power filter(HAPF) was proposed.Aiming at the dominant harmonics of the nonlinear loads,inverters were connected in parallel with the passive filter inductors.The shunt function of parallel filter inductor can reduce the current capacity of the inverter,output voltage frequency and switching frequency.Filter can work properly when the inverter is failure.Aiming at the detection of single harmonic current,an improved sliding-window algorism was proposed.The simulation results ... |
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| Keywords: | nonlinear load active filter single harmonic sliding-window detection |
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