برنامه ریزی مشارکت واحدهای نیروگاهی در شرایط عدم قطعیت و تغییر پذیری قیمت سوخت با اهداف صرفه جویی اقتصادی و کاهش آلایندگی
محورهای موضوعی : مهندسی برق قدرت
مهیار عباسی
1
(گروه مهندسی برق، دانشکده مهندسی ، دانشگاه اراک، اراک، ایران)
جواد ابراهیمی
2
(پژوهشکده انرژی¬های تجدید پذیر، دانشگاه اراک، اراک، ایران)
سجاد باقری
3
(دانشکده فنی و مهندسی، گروه مهندسی برق، دانشگاه آزاد اسلامی، واحد اراک، اراک، ایران)
موید محسنی
4
(شرکت سهامی برق منطقه ای خوزستان، اهواز، ایران)
علیرضا نیکنام کومله
5
(گروه مهندسی برق، دانشگاه صنعتی امیر کبیر، تهران، ایران)
محمود جورابیان
6
(مهندسی برق، دانشکده مهندسی، دانشگاه شهید چمران اهواز، اهواز، ایران)
کلید واژه: عدم قطعیت, بازار برق, مشارکت نیروگاه‌ها , امنیت شبکه برق, تولید پراکنده,
چکیده مقاله :
ناترازی تولید و مصرف و نگرانی برای تأمین انرژی مورد نیاز در شبکه قدرت همواره یکی از مشکلات بهره‌برداران شبکه بوده است. همچنین تولید برق در سطح کلان همواره صنعتی پرهزینه و پرآلاینده بوده است. لذا همیشه مهندسان و شرکت‌های تولید توان به دنبال راهی ارزان و پاک برای تولید توان بوده‌اند تا هم بتوانند بر ناترازی توان غلبه کنند و هم پایداری و سطح مجاز آلاینده در شبکه را تضمین کنند. معمول‌ترین منابعی که در شبکه قدرت برای تولید توان استفاده می‌شوند واحدهای گازی و حرارتی هستند، این واحدها سریعتر وارد مدار شده و البته هزینه تولید بیشتری هم دارند. اینکه چه زمانی از واحدهای حرارتی و چه زمان از واحدهای گازی در شبکه استفاده شود مسئله پیچیده‌ای است، که به عوامل مختلفی چون زمان پیک، قیمت سوخت و شرایط شبکه گازرسانی بستگی دارد. هیچ کدام از این موارد در حالت واقعی خود دارای قطعیت نیستند. از این رو در این مقاله عدم قطعیت منابع گازی و تغییر¬پذیری قیمت¬گاز در مساله مشارکت واحدهای نیروگاهی در سیستم قدرت توسط نرم‌افزار گمز مدل¬سازی و تحلیل شده¬است. همچنین از روش حل برنامه‌ریزی غیرخطی عدد صحیح مختلط برای حل مسئله استفاده شده است. نتایج نشان می¬دهد که در صورت وجود عدم قطعیت در منابع گازی، بیشتر تمایل به بهره¬گیری از سایر نیروگاه¬های شبکه است تا امنیت و پایداری شبکه حفظ گردد.
The mismatch between production and consumption and concern for providing the energy needed in the power grid has always been one of the problems of grid operators. Also, large-scale electricity production has always been a costly and polluting industry. Therefore, engineers and power generation companies have always been looking for a cheap and clean way to generate power so that they can overcome the power imbalance and ensure stability and the allowed level of pollutants in the network. The most common sources used in the power grid to generate power are gas and thermal units, these units enter the circuit faster and, of course, have a higher production cost. When to use thermal units and when to use gas units in the network is a complex issue, which depends on various factors such as peak time, fuel price and gas supply network conditions. None of these things are certain in their true state. Therefore, in this article, the uncertainty of gas sources and the variability of gas prices in the problem of the participation of power plant units in the power system have been modeled and analyzed by GAMS software. Also, the mixed integer non-linear programming solution method has been used to solve the problem. The results show that if there is uncertainty in the gas sources, there is a greater tendency to use other power plants in the network in order to maintain the security and stability of the network.
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