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Harmonic state estimation based on graph signal processing [PDF]
IET Generation, Transmission & Distribution, 2022 This paper presents a novel harmonic state estimation (HSE) methodology based on graph signal processing. The proposed approach can perform HSE without calculating harmonic impedance. The proposed methodology involves graph signal theory for constructing
Ying Wang +5 more
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Harmonic State Estimation Method Based on Bayesian Optimized Elastic Network Regression
Zhongguo dianli, 2022 When the regression algorithm is used to estimate the harmonic state of power system, the high correlation between harmonic sources will cause the ill condition of the normal matrix, which will significantly affect the accuracy of harmonic estimation. In
Siqi MA, Zhong WANG
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Harmonic state estimation and localization based on broad-band measurement
Frontiers in Energy Research, 2023 Harmonic and power quality issues brought by the high power electronics penetration level have become a rising threat to power grids. To achieve accurate measurement of the broadband harmonics caused by the power electronic devices, the broadband phasor ...
Wei Wu +5 more
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A novel iterative observer approach for real‐time harmonic estimation in power distribution networks
IET Generation, Transmission & Distribution, 2021 In power distribution networks, the realisation of online harmonic state estimation puts forward a higher demand on the algorithm accuracy, stability as well as simplicity.
Yuge Wang +3 more
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Energies, 2022 Identification of harmonic sources contributing to harmonic distortion, and characterization of harmonic current injected by them, are crucial tasks in harmonic analysis of modern power systems.
Ahmadreza Eslami +3 more
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Optimal power quality meters placement with consideration of single line and meter loss contingencies [PDF]
International Journal of Industrial Electronics, Control and Optimization, 2018 Harmonic state estimation (HSE) is the process of assigning a value to an unknown system state harmonic variable based on measurements from that system according to some criteria.
mohammadreza sheibani +2 more
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An Accurate Gravity Disturbance Compensation Method Based on Spherical Harmonic Model and Multi-Sensor Fusion [PDF]
Hangkong bingqi, 2023 With the improvement of the accuracy requirements of high-precision long endurance inertial navigation system, the gravity disturbance has become the main error source of inertial navigation system.Is the key factor to improve the navigation accuracy ...
Liu Yuxin, Wang Xinlong, Wang Xun, Gao Wenning, Hu Xiaodong
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Energies, 2022 This article presents a static-errorless rotor position estimation method based on the linear extended state observer (LESO) for interior permanent magnet synchronous motor (IPMSM) drives. Two second-order LESOs are utilized to estimate the α-β axis back-
Feng Jiang +3 more
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Hybrid Measurements-Based Fast State Estimation for Power Distribution System
IEEE Access, 2021 The distribution grid is undergoing profound changes nowadays, and state estimator has become an essential part in the control room to enable future smart grid.
Xi He +4 more
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Time-domain Dynamic State Estimation for Unbalanced Three-phase Power Systems
Journal of Modern Power Systems and Clean Energy, 2023 In this paper, we present a time-domain dynamic state estimation for unbalanced three-phase power systems. The dynamic nature of the estimator stems from an explicit consideration of the electromagnetic dynamics of the network, i.e., the dynamics of the ...
Martin Pfeifer +5 more
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