Results 1 to 10 of about 128,072 (195)
Adaptive Grid Impedance Shaping Approach Applied for Grid-Forming Power Converters [PDF]
IEEE Access, 2022 This paper proposes an adaptive grid impedance shaping approach, implemented through a variable structure virtual impedance control strategy (VS-VIS), to improve the power flow control of grid-forming power converters (GF-PC).
Ricardo Lucio de Araujo Ribeiro +3 more
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Application of Improved Droop Control Based on Grid Impedance in Photovoltaic Grid-Connected Power Generation system [PDF]
E3S Web of Conferences, 2021 When the power grid impedance mutates, the output power of the grid-connected photovoltaic power generation system controlled by drooping will become very unstable.
Hao Xu Hao, Fang Wang, Cheng Liang Zhi
doaj +1 more source
Grid Impedance Estimator for Active Multisource AC Grids
IEEE Transactions on Smart Grid, 2023 Research, Technological Development and Innovation Program Oriented to the Society Challenges of the Spanish Ministry of Economy and Competitiveness [MCIN/AEI/10.13039/501100011033, MCI-20-PID2019-111051RB-I00]; European Union through ERFD Structural Funds (FEDER) through H2020 Research and Innovation programme [864459 (UE-19-TALENT-864459)]
Andrés Suárez +4 more
openaire +2 more sources
IEEE Access, 2022 Grid impedance plays a significant role in the performance and design considerations of nonlinear devices like Variable Frequency Drive (VFD). VFD operates across domestic, industrial, and residential applications under different grid configurations and ...
Ramesh Pandurangan +2 more
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IEEE Access, 2021 With the increasing applications of grid-connected voltage source converters, it is important to analyze the impedance characteristic of the grid-connected system to implement the stability analysis of the grid connection operation.
Heng Nian +5 more
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IET Renewable Power Generation, 2021 Grid‐connected inverter have been extensively used in the renewable energy grid‐connect systems, such as solar and wind. Interaction between the grid and the inverter may generate harmonic resonances that lead to reduced power quality and even ...
Junliang Liu +3 more
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Energies, 2021 In the series-compensated grid-connected system (SCGCS), there is an impedance interaction between the inverter impedance and the grid impedance that is prone to cause resonance in the SCGCS.
Haining Wang +7 more
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Grid impedance estimation for islanding detection and adaptive control of converters [PDF]
, 2016 The grid impedance is time varying due to the changing structure of the power system configuration and it can have a considerable influence on the control and stability of grid connected converters. This paper presents an online grid impedance estimation
El-Sayes, M.A. +4 more
core +4 more sources
IEEE Access, 2020 The phase-locked loop of grid-connected inverters affects their output impedance characteristics and stability. Based on the NPC, three-level LCL grid-connected inverter, this article first analyzes the frequency characteristics of the improved moving ...
Wei Luo, Dafang Wei, Jianguo Jiang
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Modal Identification and Analysis of Photovoltaic Converter Based on Random Subspace
发电技术, 2021 A large number of photovoltaic grid-connection brings many harmonic resonance problems to the power grid. A joint model including photovoltaic converter and grid equivalent impedance was established for the photovoltaic converter resonance problem. The s-
Jianhua ZHU, Zhenqing LI, Lichang XU
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