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Harmonic current prediction method of universal power quality conditioner based on rapid block LMS algorithm
Author(s): 
Pages: 53-56,61
Year: Issue:  2
Journal: Advanced Technology of Electrical Engineering and Energy

Keyword:  universal power quality conditionerfast Fourier transformrapid block LMS algorithmharmonicsprediction;
Abstract: 本文提出了一种基于快速决LMS算法的统一电能质量调节器谐波电流预测方法.该方法将FFT变换运用到LMS算法中,采用重叠存储方法,在滤波器权值更新时进行块处理.分广义平稳和广义非平稳两种情况,对每个可调权值赋予不同的步长.在t时刻预测出t+2时刻受控量与参考量之间的差值,通过选择t+1时刻的控制策略和利用快速块LMS算法使得该差值最小.仿真结果表明了该方法的正确性和可行性.
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