PERFORMANCE OF DOUBLY FED INDUCTION GENERATOR DRIVEN BY WIND ENERGY AT CONSTANT STATOR POWER AND CURRENT
Agamy, M., Ellyth, F., Nada, A., Refky, A. (2021). PERFORMANCE OF DOUBLY FED INDUCTION GENERATOR DRIVEN BY WIND ENERGY AT CONSTANT STATOR POWER AND CURRENT. EKB Journal Management System, 16(61), 1122-1134. doi: 10.21608/auej.2021.207667
M. Hussein Agamy; Fathi M Ellyth; Adel S. Nada; Amr Refky. "PERFORMANCE OF DOUBLY FED INDUCTION GENERATOR DRIVEN BY WIND ENERGY AT CONSTANT STATOR POWER AND CURRENT". EKB Journal Management System, 16, 61, 2021, 1122-1134. doi: 10.21608/auej.2021.207667
Agamy, M., Ellyth, F., Nada, A., Refky, A. (2021). 'PERFORMANCE OF DOUBLY FED INDUCTION GENERATOR DRIVEN BY WIND ENERGY AT CONSTANT STATOR POWER AND CURRENT', EKB Journal Management System, 16(61), pp. 1122-1134. doi: 10.21608/auej.2021.207667
Agamy, M., Ellyth, F., Nada, A., Refky, A. PERFORMANCE OF DOUBLY FED INDUCTION GENERATOR DRIVEN BY WIND ENERGY AT CONSTANT STATOR POWER AND CURRENT. EKB Journal Management System, 2021; 16(61): 1122-1134. doi: 10.21608/auej.2021.207667

PERFORMANCE OF DOUBLY FED INDUCTION GENERATOR DRIVEN BY WIND ENERGY AT CONSTANT STATOR POWER AND CURRENT

Journal of Al-Azhar University Engineering Sector
Article 11, Volume 16, Issue 61, October 2021, Page 1122-1134  XML PDF (963.6 K)
Document Type: Original Article
DOI: 10.21608/auej.2021.207667
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Authors
M. Hussein Agamy1; Fathi M Ellyth2; Adel S. Nada3; Amr Refkyorcid 3
1Electrical Engineer, Faculty of Engineering, Al-Azhar University, Cairo, Egypt.
2Electrical Engineering Deaprtment, Faculty of Engineering, Al-Azhar University, Cairo, Egypt
3Electrical Engineering Deaprtment, Faculty of Engineering, Al-Azhar University, Cairo, Egypt.
Abstract
This paper discusses the performance of a wind-driven doubly-fed induction generator when connected to the grid. The stator is directly connected to the grid, while the rotor side connection happens via a back-to-back converter. The performance and the steady-state analysis of the Doubly Fed Induction Generator (DFIG) when running at constant stator power and when running at constant stator current will be discussed.  Laboratory experiments are performed using a testing bench for the Lucas-Nülle wind power system and the results are analyzed using Lucas-Nülle WindSim software. DFIG analysis and laboratory experiment performance were performed for two differentcases;the first case is when DFIG is running at a speed lower than the synchronous speed and the second case is when DFIG is running at a speed above the synchronous speed. In both cases, the values of rotor voltage, stator current, rotor current, and the total generated powerfrom the stator and rotor for DFIG are calculated from the analysis usingMATLABfile (m-file) and compared with the practical results.
 
يناقش هذا البحث أداء المولد الحثي ثنائي التغذية وذلک في حالة دورانه عن طريق طاقة الرياح. في هذا البحث تم عمل دراسة تحليله للمولد وکتابة المعادلات الخاصة به. کما انه تم اختيار طريقتين من الطرق الشائعة لتشغيل المولد؛ الأولي عن طريق توليد قدرة کهربية ثابتة من الجزء الثابت من المولد مع اختلاف سرعة الدوران، والثانية بتشغيل المولد عند تيار کهربي ثابت من الجزء الساکن من المولد مع اختلاف سرعة الدورانحيث انه تم مراعاة أن تکون سرعة الدوران عند السرعات اقل من السرعة التزامنية وعند السرعات الأعلى من السرعة التزامنية. وقد قدم البحث دراسة تفصيلية عن طريق حل المعادلات ورسم المنحنيات باستخدام برنامج الماتلاب،کما انه تم تنفيذ تجارب معملية ومقارنة النتائج العملية بالنتائج النظرية.
Keywords
Wind energy; DFIG; constant power operation; synchronous speed. طاقة الرياح، المولد الحثي ثنائي التغذية، التشغيل عند قدرة ثابتة،السرعة التزامنية
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