article · Arabian Journal for Science and Engineering
Wind energy is expanding rapidly as a vital component of renewable energy generation. However, electrical grid faults present significant operational challenges for wind energy producers operating grid-connected wind turbines. To address this, doubly fed induction generator wind turbines must satisfy low voltage ride-through standards. These requirements mandate that turbines remain connected to the electricity network during transient grid disturbances and deliver both active and reactive power once the fault has cleared. Meeting these obligations requires technical modifications and additional resources. An evaluation of numerous low voltage ride-through techniques assesses their compliance with prevailing grid codes. Through case studies and simulation models of selected core methods, the research outlines design recommendations and technical guidelines. These insights assist operators in configuring doubly fed induction generator wind systems to successfully comply with local grid code standards.
As reliance on renewable energy expands, maintaining grid stability during power disturbances is essential. Without robust low voltage ride-through capabilities, wind turbines risk disconnecting during sudden voltage dips, triggering wider power disruptions. Providing clear technical guidance and simulations helps ensure that wind generation infrastructure stays online, protecting local networks and delivering continuous electricity when faults occur.
The findings directly assist wind energy producers, turbine control engineers, and power system operators seeking to meet local utility grid codes. By delivering design recommendations supported by simulations and case studies, the work offers practical reference frameworks for implementation. The research occupies an applied and tested stage, showing high relevance for deployment in turbine control systems and network compliance upgrades.
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Abstract As a key portion of renewable energy resources (RESs), wind energy penetration is rapidly deployed. The effects of grid faults on grid-connected wind turbines (WTs) are causing problems for wind energy producers. To meet the necessary requirements, additional resources and technical interventions are needed. One of these requirements is low voltage ride-through (LVRT) of doubly fed induction generator (DFIG)-based WTs. This means that DFIG-WTs must stay connected to the grid during transient grid faults and supply active and reactive power after the fault is cleared. Many techniques for improving the LVRT capability of DFIG-WTs have been developed and this paper examines them. The paper also evaluates how well they align with grid codes, and offers case studies and simulations of the selected key techniques. Lastly, this paper provides guidelines and suggested designs for the LVRT techniques for DFIG-WTs to ensure they meet local grid codes.
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DOI: 10.1007/s13369-023-07975-7
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