مهندسی مکانیک مدرس

مهندسی مکانیک مدرس

اثر استفاده از دو میدان خورشیدی در نیروگاه خورشیدی فرسنل با تولید بخار مستقیم

نوع مقاله : پژوهشی اصیل

نویسندگان
گروه مهندسی مکانیک، دانشکده فنی و مهندسی، دانشگاه شهید باهنر کرمان، کرمان، ایران
چکیده
در این پژوهش اثر استفاده از دو میدان خورشیدی در یک نیروگاه حرارتی خورشیدی فرسنل مورد ارزیابی قرار گرفت. متوسط قیمت گاز طبیعی در دهه اخیر، ۳/۵دلار به‌ازای هر میلیون بی‌تی‌یو بوده است. در ابتدا با توجه به پیچیدگی‌های نیروگاه خورشیدی، دو روش برای بهینه‌سازی مساحت میدان‌های خورشیدی معرفی شد. سپس برای ارزیابی بیشتر نیروگاه خورشیدی با دو میدان خورشیدی مجزا، این نیروگاه برای دو قیمت گاز طبیعی ۳/۵ و ۹دلار به‌ازای هر میلیون بی‌تی‌یو بررسی شد. بررسی‌ها نشان داد که استفاده از دو میدان خورشیدی مجزا برای تولید بخار مافوق گرم توربین فشار بالا و فشار پایین نسبت به استفاده از یک میدان خورشیدی باعث کاهش هزینه برق تولیدی می‌شود. اگر چه هر میدان خورشیدی باید مقادیر انرژی متفاوتی را تولید کند و مساحت مربوط به هر یک از میدان‌ها متفاوت است، اما اندازه ضریب مساحت میدان برای هر دو میدان خورشیدی یکسان بود.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Direct Steam Generation Solar Power Plant in The Two Pressures Cycle

نویسندگان English

S. Khajepour
M. Ameri
Mechanical Engineering Department, Engineering Faculty, Shahid Bahonar University of Kerman, Kerman, Iran
چکیده English

In this research, the effect of using two solar fields in a solar thermal power plant was evaluated. The average price of natural gas in the last decade was 3.5 dollar/MMBTU. Due to the complexities of the solar power plant, two methods were introduced to optimize the area of the solar fields. Then, for further evaluation of the solar power plant with two distinct solar fields, the plant was examined for two natural gas prices of 3.5 and 9 dollar/MMBTU. The results of the study show that the use of two separate solar fields to produce high pressure steam turbines and low pressure over the use of a solar field reduces the cost of generating electricity. Although each solar field must produce different energy quantities, and the area of each of the fields is different, the size of the field coefficient of the field was the same for both solar fields.



کلیدواژه‌ها English

Hybrid System
LFR Solar Collector
Solar Thermal Power Plant
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