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Design and Modulation of Wind Energy Conversion System in Kouttina to be Coupled with Syrian Electrical Grid

تصميم و نمذجة نظام تحويل طاقة ريحي في منطقة قطينة والتحكم به بهدف ربطه مع الشبكة الكهربائية السورية

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 Publication date 2014
and research's language is العربية
 Created by Shamra Editor




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Kouttina is one of the most proper areas in Syria for building wind energy conversion system. This system could be coupled with Syrian electrical grid without expensive cost because of nearing from the grid. But the permanent changes of wind speed with no stable mode, cause different amplitude and frequency voltages differ from Syrian electrical grid amplitude and frequency. The goal of this research is to design proper wind energy conversion system for Kouttina area and control it, therefore we always obtain constant amplitude and frequency voltages equal to those of Syrian electrical grid for any wind speed and load. The proper wind turbine with its generator was chosen depending on parameters of probability mathematic function, called Wiebull Function. After that the proper control system was designed for equaling the amplitude and frequency of wind energy conversion system output with those of Syrian electrical grid. The buck -boost converter was controlled by proportional integral (PI) controller to always have DC output voltage equal to (622V). While the inverter controller was achieved by using two PI control loops, the outer loop for voltage control and the inner loop for current control. Though, three phase voltage with RMS phaser value of (220V) and frequency value of (50Hz) is achieved. To validated the correctness and effectiveness of the proposed system, it was modeled using MATLAB program. The results showed the system ability of obtaining voltage with constant amplitude and frequency and this values do not change with wind speed or load changes.


Artificial intelligence review:
Research summary
يهدف البحث إلى تصميم نظام تحويل طاقة ريحي في منطقة قطينة بمحافظة حمص وربطه بالشبكة الكهربائية السورية. تعتبر منطقة قطينة من المناطق المثالية لإنشاء نظام تحويل طاقة ريحي نظراً لقربها من الشبكة الكهربائية، مما يقلل من التكاليف. ومع ذلك، فإن تغير سرعة الرياح يؤدي إلى ظهور جهود مختلفة في التردد والمطال على خرج النظام، مما يعيق عملية الربط مع الشبكة. لتحقيق هذا الهدف، تم اختيار العنفة والمولد المناسبين للمنطقة باستخدام تابع احتمالي رياضي يسمى تابع وايبل (Weibull Function). تم تصميم نظام التحكم المناسب لمطابقة خرج النظام الريحي مع جهد وتردد الشبكة الكهربائية السورية. تم التحكم بالمقطع الرافع-الخافض باستخدام متحكم تناسبي تكاملي (PI) للحصول على جهد خرج مستمر ثابت مقداره 622 فولت. أما عملية التحكم بالقالبة فقد تمت باستخدام حلقتي (PI) للتحكم بالجهد والتيار للحصول على جهد جيبي ثلاثي الطور بقيمة فعالة 220 فولت وتردد 50 هرتز. تم التحقق من صحة النظام المقترح من خلال نمذجته ببرنامج MATLAB ومحاكاة عمله، وأظهرت النتائج إمكانية الحصول على جهد ذو مطال وتردد ثابتين بغض النظر عن تغير سرعة الرياح أو الحمولة.
Critical review
دراسة نقدية: يعتبر البحث خطوة مهمة نحو استغلال الطاقات المتجددة في سوريا، إلا أن هناك بعض النقاط التي يمكن تحسينها. أولاً، لم يتم تناول تأثير الظروف البيئية المختلفة على أداء النظام بشكل كافٍ. ثانياً، يمكن تحسين نظام التحكم باستخدام تقنيات حديثة مثل التحكم الضبابي أو الشبكات العصبية لتحسين الأداء والكفاءة. ثالثاً، لم يتم التطرق إلى التكلفة الإجمالية للنظام ومدى جدواه الاقتصادية مقارنة بالأنظمة التقليدية. وأخيراً، يمكن توسيع الدراسة لتشمل مناطق أخرى في سوريا ذات إمكانيات ريحية مشابهة.
Questions related to the research
  1. ما الهدف الرئيسي من البحث؟

    الهدف الرئيسي هو تصميم نظام تحويل طاقة ريحي ملائم لمنطقة قطينة والتحكم به بحيث نحصل دائماً على جهد وتردد ثابتين ومطابقين لجهد وتردد الشبكة الكهربائية السورية.

  2. ما هي الأدوات المستخدمة في نمذجة النظام؟

    تم استخدام برنامج MATLAB لنمذجة النظام ومحاكاة عمله.

  3. ما هي النتائج الرئيسية التي توصل إليها البحث؟

    أظهرت نتائج المحاكاة إمكانية الحصول على جهد ذو مطال وتردد ثابتين بغض النظر عن تغير سرعة الرياح أو الحمولة.

  4. ما هي التوصيات التي قدمها البحث؟

    أوصى البحث بمتابعة البحث مع الأخذ بعين الاعتبار بقية الطاقات البديلة المتوفرة في المنطقة وتجريب طرق أخرى للتحكم مثل التحكم الضبابي أو الشبكات العصبية.


References used
Bose, Kimal.; Spiegel, Ronald.;Simoes,Marcelo. "Fuzzy Logic Intelligent Control of a Variable Speed Cage Machine Wind Generation System".IEEE Transaction On Power Electronics USA, VOL.12,NO.1,1997,p.88–94
Eskander,Mona. "Neural Network Controller of a Permanent Magnet Generator Apllied in Wind Energy Conversion System". Journal Of Power Electronics Egypt,VOL. 2,NO.1, 2002,p.46–54
Raju,A.;Fernandes,B.;Chatterjee,K." A Simple Maximum Power Point Tracker for Grid Connected Variable Speed Wind Energy Conversion System with Reduced Switch Count Power Converters" .IEEE Andia, 2003, p.748-753
Battista,Hernan.;Mantz,Ricardo. "Dynamical Variable Structure Controller for Power Regulation of Wind Energy Conversion System", IEEE Transaction On Energy Conversion Argentina,VOL.19,NO.4,2004, p.756-763
''Aliprantes,A.;Papathanassiou,S.;Papadopoulos,M.;Kladas,A. "Modeling and Control of a Variable Speed with Permanent Magnet Synchronous Generator
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