Results 11 to 20 of about 28,834 (268)
Energies, 2022 With the continuous penetration and development of renewable energy power generation, distributed grids and microgrids are becoming increasingly important in power systems.
Guoli Feng +4 more
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Mechanism of Power Quality Deterioration Caused by Multiple Load Converters for the MVDC System
Frontiers in Energy Research, 2022 Medium-voltage direct current (MVDC) systems are widely used to ship power-distributed systems, wind farms, and photovoltaic power plants. With the increase of load converters interfacing into the MVDC system, the power quality deteriorates. Few research
Heming Huang, Fei Liu, Xiaoming Zha
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Energies, 2021 Impedance-based stability analysis is an effective method for addressing a new type of SSO accidents that have occurred in recent years, especially those caused by the control interaction between a DFIG and the power grid. However, the existing impedance
Shaojian Song +4 more
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Energies, 2019 Harmonic stability of double-fed induction generators (DFIGs) now has become a significant topic because of its harmful impact on power quality issues of the system.
Xunjun Chen, Zhigang Liu
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Energies, 2020 This paper presents the analysis and mitigation of sub-synchronous resonance (SSR) for doubly fed induction generators (DFIG) under virtual synchronous generator (VSG) control, based on impedance methods.
Yingzong Jiao +3 more
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Electric Vehicle Fast-Charging Station Unified Modeling and Stability Analysis in the dq Frame
Energies, 2018 The electric vehicle fast-charging station is an important guarantee for the popularity of electric vehicle. As the fast-charging piles are voltage source converters, stability issues will occur in the grid-connected fast-charging station.
Xiang Wang, Zhengyou He, Jianwei Yang
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Modeling and Harmonic Stability of MMC-HVDC With Passive Circulating Current Filters
IEEE Access, 2020 A modular multilevel converter (MMC) is an emerging converter technology widely used in wind power applications using high-voltage direct current (HVDC) transmission, and it has been largely investigated in medium-voltage solar harvesting as well as ...
Bo Zhang, Hamed Nademi
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Energies, 2023 The modular multilevel converter (MMC) is a keystone of modern energy transmission systems. Consequently, there is an ongoing pursue for mathematical models to represent it under different configurations and control approaches.
Cleiton M. Freitas +2 more
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Frontiers in Energy Research, 2022 The isolated dual active bridge (DAB)-based two-stage AC-DC-DC converters have been widely applied in grid-connected power electronics systems. However, the impedance interactions between the DAB converter and the AC-DC rectifier can cause instability ...
Fan Feng +4 more
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电力工程技术, 2022 The fault characteristics of direct current (DC) grids can be analyzed by addressing the grid damping characteristics. However,the frequency-dependent characteristics of the transmission line parameters are usually ignored in the conventional grid ...
CHEN Siwei +5 more
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