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上海交通大学电子信息与电气工程学院,上海市 201100
Received:31 December 2022,
Revised:2023-03-06,
Published Online:08 May 2023,
Published:25 July 2023
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韩烨宸,贺兴,艾芊.基于GRU-EEMD算法的非侵入式配电网功率欠定盲源分离[J].电力系统自动化,2023,47(14):64-71.
HAN Yechen,HE Xing,AI Qian.Non-intrusive Underdetermined Blind Power Source Separation for Distribution Network Based on Gate Recurrent Unit and Ensemble Empirical Mode Decomposition Algorithm[J].Automation of Electric Power Systems,2023,47(14):64-71.
韩烨宸,贺兴,艾芊.基于GRU-EEMD算法的非侵入式配电网功率欠定盲源分离[J].电力系统自动化,2023,47(14):64-71. DOI: 10.7500/AEPS20221231001.
HAN Yechen,HE Xing,AI Qian.Non-intrusive Underdetermined Blind Power Source Separation for Distribution Network Based on Gate Recurrent Unit and Ensemble Empirical Mode Decomposition Algorithm[J].Automation of Electric Power Systems,2023,47(14):64-71. DOI: 10.7500/AEPS20221231001.
针对目前配电网级非侵入式功率监测和盲源分离问题,文中提出了一种新的欠定功率信号分离方法,将门控循环单元(GRU)网络和集合经验模态分解(EEMD)算法结合起来。首先,利用分时段、分类别的GRU网络功率辨识模型得到源信号估计,将估计结果和EEMD算法联合得到升维非欠定的功率信号。然后,利用辨识网络解决快速独立成分分析提取源信号的顺序不定问题。最后,通过对含综合能源的配电网实测信号分析验证了所提方法的可行性。
For the current problem of non-intrusive power identification and blind power source separation at the distribution network level
a new method for underdetermined power signal separation is proposed in this paper
which combines the gate recurrent unit (GRU) network and the ensemble empirical mode decomposition (EEMD) algorithm. First
a time-period and categorical GRU network power identification model is used to obtain the estimation of the source signal
and the estimated results are combined with the EEMD algorithm to obtain the boosted non-underdetermined power signal. Then
the identification network is used to solve the sequential indeterminacy problem of extracting source signals by fast independent component analysis. Finally
the feasibility of the proposed method is verified by analyzing the measured signals of the distribution network with integrated energy.
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