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Register a new userOptimal Reactive Power Compensation in Electrical Distribution Networks
التعويض الأمثل للاستطاعة الردية في شبكات التوزيع الكهربائية
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محمد الخطيب( باحث )
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تعد مسألة تعويض الاستطاعة الردية في شبكات التوزيع الكهربائية من المسائل الحيوية بيئياً و اقتصادياً، لذلك فقد جرى من خلال هذا البحث: التطرق لأحدث التجهيزات المستخدمة في تعويض الاستطاعة الردية في شبكات التوزيع الكهربائية و استعراض مميزاتها، ثم بعد ذلك استعرضت العلاقات الرياضية التي يستخدمها برنامج ETAP إِذ يحوي البرنامج على وظيفة (OCP) تمكننا من حساب الاستطاعة المثلى و تحديد المكان الأمثل لمعوضات الاستطاعة الردية في شبكات التوزيع الكهربائية بهدف تخفيض الضياع و تحسين أداء هذه الشبكات. هذا فضلاً عن شرح نظري مبسط عن الخوارزميات الجينية لأن البرنامج يرتكز عليها في عمله. كما طبق هذا البرنامج على جزء من شبكة ريف دمشق في ضوء بارامترات تشغيلها الحقيقية، درِست الآثار الاقتصادية لهذا التطبيق فضلاً عن الآثار الفنية الإيجابية، إِذ لوحظ تحسن في قيمة عامل الاستطاعة و تحسن في أوضاع التوتر على عقد الشبكة (Voltage Profile).
Reactive power compensation in distribution networks is one of the most important economic and environmental issues in power system studies. In this paper the following points are investigated: · The characteristics of the most developed equipment used for reactive power compensation. · Equations used in ETAP program calculation · OCP is part of ETAP program which gives us the possibility to determine optimal reactive power sizing and placement in distribution networks in order to achieve optimal Power loss and distribution power system enhancement. · ETAP program is applied on a part of Damascus suburb electrical network which was simulated by its real parameters and the positive economical and technical results have been clarified.
References used
L.Ramesh, S.P.Chowdhury, S.Chowdhury, A.A.Natarajan, C.T.Gaunt "Minimization of Power Loss in Distribution Networks by Different Techniques" ,International Journal of Energy and Power Engineering 2-1-2009
N.Acharya,N.Mithulananthan,"Facts about flexible AC transmission system (FACTS) controllers
T. J. Miller, Reactive Power Control in Electric Systems. NewYork: Wiley, 1982
Canadian Electrical Association, “Static compensators for reactivepower control,” 1984
L. Gyugyi, R. Otto, and T. Putman, “Principles and applicationsof static, thyristor-co ntrolled shunt compensators,” IEEE Trans.Power App. Syst., vol. PAS-97, no. 5, pp. 1935–1945, Oct. 1980
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