Power System Stability Studies Considering High Penetration of Grid Connected Doubly-Fed Induction Generators | ||||
| Damietta's Journal of Engineering Research and Future Technology | ||||
| Articles in Press, Accepted Manuscript, Available Online from 21 August 2025 | ||||
| Document Type: Scientific research | ||||
| DOI: 10.21608/djerft.2025.230316.1005 | ||||
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| Authors | ||||
Abdullah Elsayed  ; Mohamed Osman
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| Faculty of Engineering - Damietta University -Power Elctrical Engineering and Machines department | ||||
| Abstract | ||||
| Doubly-Fed Induction Generator (DFIG) is one of the preferred wind turbine generators which commonly utilized nowadays due to its advantages as compared with fixed speed generators. In spite of the well coverage of stability issues in conventional power systems, no sufficient analysis is carried out for recognizing the power system stability issues when large wind farms are interconnected into the system grid. This highlights the importance of the present research, which visualize the essence of the power system stability problem when large amounts of wind power are penetrated in its grid. This paper investigates the stability of the power system, focusing on voltage, angle, and frequency, while considering high levels of DFIG wind turbine integration. The study examines various scenarios that could influence system stability, including short circuit faults, power penetration ratios, and islanding effects. From the obtained results, DFIGs offer significant advantages in modern wind power systems, particularly in terms of fault tolerance and grid support. The study highlights that DFIGs allow for longer critical clearing times and better fault handling compared to FSIGs. However, they present challenges for power system frequency stability, emphasizing the need for advanced control strategies. Despite these challenges, DFIGs are suitable for isolated and hybrid systems, demonstrating their versatility in renewable energy applications. Effective grid integration and control are essential for ensuring the reliable operation of DFIG-based systems. | ||||
| Keywords | ||||
| Crowbar; Fault Ride-Through; Grid code; Rotor angle stability; Rotor protection circuits | ||||
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