بهره برداری چندهدفه شبکه توزیع دربرگیرنده توربین بادی با لحاظ نمودن کمینه¬سازی آلایندگی زیست محیطی در شبکه
محورهای موضوعی : انرژی و محیط زیست
1 - Department of Electrical Engineering, Beyza Branch, Islamic Azad University, Beyza, Iran.
کلید واژه: شبکه توزیع, آلایندگی زیست محیطی, توربین بادی, تجدید ساختار, الگوریتم کرم شب تاب.,
چکیده مقاله :
مقدمه: رشد روز افزون بارهای مصرفی و ضرورت تأمین مناسب، به موقع و با قابلیت اطمینان شبکههای برق، ضرورت نگرش مجدد در بهرهبرداری بهینه از سیستمها و خطوط برق را بیش از پیش ایجاب مینماید. از طرفی، در سالهای اخیر حمایتهای زیادی از منابع تولیدات پراکنده مبتنی بر انرژیهای نو خصوصاً توربینهای بادی صورت گرفته است. یکی از عمده مسألههای توربینهای بادی مسأله نوسانات شدید باد و وابستگی توان خروجی به سرعت باد میباشد. به موازات این مشکل، در بحث مدیریت شبکه، خطای ناشی از پیشبینی بار مصرفی در آینده نیز میتواند به هرچه سختتر شدن صورت مسأله بیانجامد. یکی از تکنیکهای مناسب بدون هزینهگذاری اولیه، روش تجدید ساختار و توپولوژی شبکه با هدف بهبود وضع شبکه است. مواد و روشها: در این تحقیق جهت بررسی مسأله تجدید ساختار و توپولوژی شبکه توزیع با حضور منابع توربین بادی به ارائه روشی نوین جهت مدیریت همزمان آنها پرداخته شده است. یک تابع چند هدفه جهت دستیابی به کاهش تلفات اکتیو شبکه، کاهش هزینههای کلی شبکه، بهبود پروفیل ولتاژ باسهای موجود، و کاهش میران آلایندگی کل تولیدی توسط شبکه در نظر گرفته شده که به¬منظور کمینه نمودن آن از الگوریتم بهینهسازی کرم شب تاب بهره گرفته شده است. نتایج و بحث: حل مسأله تجدید ساختار با در نظر گرفتن عدم قطعیت ناشی از توربینهای بادی لحاظ شده است. حضور منابع بادی در شبکه توانسته توابع هدف را به مقدار قابل توجهی کاهش دهد. نتیجهگیری: به منظور ارزیابی روش پیشنهادی شبیهسازیهایی روی شبکه 32 باسه IEEE صورت گرفته که حاکی از اثرپذیری الگوریتم در نظر گرفته شده در قیاس با سایر الگوریتمهای بهینهسازی خواهد بود. ساختار پیشنهادی دارای قدرت مناسبی جهت در نظر عدم قطعیت متغیرهای تصادفی مسأله بوده بطوری که مقدار انحراف استاندارد هر یک از توابع هدف بعد از بهینهسازی کاهش یافته و در حقیقت میزان اطمینان پاسخهای یافت شده افزایش یافته است.
Introduction: The ever-increasing growth of consumption loads and the necessity of proper, timely and reliable supply of power networks require a new attitude in the optimal operation of power systems and lines more than ever. On the other hand, in recent years, there has been a lot of support for distributed generation sources based on renewable energies, especially wind turbines. One of the main problems of wind turbines is the problem of extreme wind fluctuations and the dependence of output power on wind speed. Parallel to this problem, in the discussion of network management, the error caused by forecasting the consumption load in the future can also lead to the problem becoming more and more difficult. One of the suitable techniques without initial cost is the method of network topology reconfiguration with the objective of improving the network situation. Materials and Methods: Therefore, in this research, in order to investigate the problem of reconfiguration of the distribution network with the presence of wind turbine sources, a new method for their simultaneous management has been presented. A multi-objective function is considered to reduce the active losses of the network, reduce the overall costs of the network, improve the voltage profile of the existing buses, and reduce the total emissions generated by the network, which uses the firefly optimization algorithm to minimize it. Results and Discussion: Solving the problem of renewing the structure by considering the uncertainty caused by wind turbines is considered. The presence of wind resources in the network has been able to significantly reduce the objective functions. Conclusion: The results of this research showed that the American land reclamation method is better than the other mentioned methods because it has estimated more flow in flood calculation. An important result of flood zoning resulting from the breaking of Tangab dam is that the urban area of Firozabad is safe from this flood and the villages are not flooded as far as the studied area is concerned. Based on the obtained results, it can be concluded that the result of the possible failure of the dam, based on this research, the flood caused by the failure of the dam, except for 1 hectare of the industrial sector, which is a very small area, will cause damage only to agricultural lands.
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