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Improve Capability of LVRT by STATCOM with Intelligent Control
, 2013 由於全球溫室效應、節能減碳需求以及石化能源價格不斷上漲，因此將來分散式再生能源勢必逐漸普遍化，而系統將面臨電源調度、系統衝擊及穩定性問題。本篇論文將專注於利用靜態同步補償器與動態啟斷電阻、電感三者的結合，幫助微電網系統在LVRT(Low Voltage Ride Through) 上的能力提升，同時使同步發電機能夠在低電壓情況下，增加短期間內的穿越能力，並且加強系統恢復期間的穩定度。 考慮微電網再生能源供應不穩定而導致系統的時變變化，本論文中採用模糊神經網路(Neural-Fuzzy)線上學習 ...
Huang, Sheng-Min, 黃聖閔
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Control and Simulation Research for LVRT of Wind Energy Generation [PDF]
Proceedings of the 2017 6th International Conference on Energy and Environmental Protection (ICEEP 2017), 2017 Xiuli Liu, Huida Duan, Xin Peng
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工程科学与技术With the continuous increase in photovoltaic (PV) access capacity, voltage sag in the grid when the PV is off-grid can adversely impact the stable operation of the system. Therefore, it is imperative for the PV system to possess low-voltage ride-through (
Wenfei LIU +4 more
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Increased LVRT capability for VSG-based grid-tied converters
Applied EnergyFeng Ji, Z. Xu
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IEEE Transactions on Energy Conversion
The interaction between rotor-side and grid-side converters (RS-GSCs) has a significant impact on the low-voltage ride-through (LVRT) performance of grid-connected wind turbine based on doubly fed induction generator (WT-DFIG) during severe symmetrical ...
Linsheng Zhao
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The interaction between rotor-side and grid-side converters (RS-GSCs) has a significant impact on the low-voltage ride-through (LVRT) performance of grid-connected wind turbine based on doubly fed induction generator (WT-DFIG) during severe symmetrical ...
Linsheng Zhao
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The Regulation of Grid and Motor Side Converter of DFIG in LVRT
Advanced Materials Research, 2011 The most widely used generator type is the Doubly-Fed Induction Generator (DFIG). Because of the close coupling of the generator and the gird, the stator flux of DFIG is distorted while the Grid voltage dip happens. To achieve the LVRT, the LVRT control strategy of DFIG, especially the association of gird side and rotor side converter, is discussed ...
Kan Zhang, Su Juan Sun
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Transient Stability Analysis and Enhancement of Renewable Energy Conversion System During LVRT
IEEE Transactions on Sustainable Energy, 2020Grid-connected renewable energy conversion systems (RECSs) are usually required by grid codes to possess the low voltage ride through (LVRT) and reactive power support capabilities so as to cope with grid voltage sags.
Xiuqiang He, Hua Geng, Bikash C Pal
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DC Stage Modelling for LVRT Capability in Photovoltaic Systems
IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, 2021The design of control algorithms for power converters requires the modeling of different power stages. The selection of the appropriate models must consider the trade-off between accuracy and complexity according to the application to be analyzed. In grid-connected photovoltaic (PV) systems, the model for the PV panels array and the DC booster can be ...
David J. Rincón +3 more
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A Study on the Technology of LVRT for DFIG
2018 Chinese Control And Decision Conference (CCDC), 2018This paper presents the development of the wind power system and low voltage ride through (LVRT) techniques for doubly -fed induction generator (DFIG) wind energy system. In recent years, wind power has been developing rapidly. As the wind power penetration from large scale wind turbines has been increasing rapidly in the transmission system, there is ...
Xuesong Zhou +5 more
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