مشارکت هاب‌های انرژی تجدیدپذیر دارای ذخیره‌سازهای هیدروژنی، حرارتی و هوای فشرده در بازار انرژی مبنی بر سیستم مدیریت انرژی

رضا سپه وند ¹ ( دانشکده مهندسی و پرواز- دانشگاه افسری امام علی (ع)، تهران، ایران )

تاریخ ارسال : 1402/02/16 تاریخ تایید : 1402/06/14

کلید واژه: ذخیره‌سازی, ذخیره‌سازی حرارتی, هوای فشرده, هاب انرژی,

چکیده مقاله :

این مقاله به مشارکت هاب های انرژی تجدیدپذیر مجهز به مزارع بادی و واحدهای بیوگاز، و ذخیره سازهای هیدروژنی، حرارتی و هوای فشرده در بازار انرژی مبنی بر مدل تسویه قیمت بازار می پردازد. هاب ها هم‌زمان در دو شبکه الکتریکی و حرارتی حضور دارند. واحد بیوگاز مجهز به فناوری ترکیبی برق و حرارت است، به طوری که آن هم‌زمان در تولید انرژی الکتریکی و حرارتی نقش دارد. طرح پیشنهادی در قالب بهینه سازی دوسطحی است. سطح بالای آن بیشینه سازی سود مورد انتظار هاب با در نظر گرفتن قیود بهره برداری منابع و ذخیره سازهای مذکور را فرمول بندی می کند. در سطح پایین فرمول بندی استراتژی تسویه قیمت بازار لحاظ شده که آن کمینه سازی هزینه مورد انتظار واحدهای تولید الکتریکی و حرارتی مقید به معادلات پخش توان بهینه شبکه های الکتریکی و حرارتی را در نظر می گیرد. در ادامه روش کراش کان تاکر یک فرمول بندی تک‌سطحی برای طرح پیشنهادی به دست می آورد. بهینه سازی تصادفی برای مدل سازی عدم‌قطعیت‌های بار و منابع تجدیدپذیر استفاده می شود. در نهایت نتایج عددی به‌دست ‌آمده بیانگر قابلیت طرح پیشنهادی در ارتقای وضعیت اقتصادی و بهره برداری شبکه های انرژی نسبت به مطالعات پخش بار بهینه (شبکه بدون هاب) در کنار استخراج زمان بندی بهینه انرژی هاب ها متناسب با ارتقای وضعیت اقتصادی آنها است. به طوری که ذخیره سازهای هیدروژنی، هوای فشرده و حرارتی منجر به ارتقای 2/11 درصد وضعیت اقتصادی هاب تجدیدپذیر می شوند. مدیریت بهینه انرژی هاب های تجدیدپذیر مبنی بر ذخیره ساز باعث ارتقای 27 درصد وضعیت اقتصادی یا بهره برداری شبکه های انرژی نسبت به مطالعات پخش بار بهینه شده است.

چکیده انگلیسی :

This paper concerns the participation of renewable energy hubs equipped with wind farms, bio-waste units, and hydrogen, thermal, and compressed air storage systems in the energy market based on the market clearing price model. Hubs are simultaneously present in both electrical and thermal networks. The bio-waste unit is equipped with combined heat and power technology, so it produces electrical and thermal energy. The proposed design is in the form of bi-level optimization. Its upper level formulates the maximization of the hub's expected profit considering the operational constraints of the mentioned resources and storage devices. The market clearing price strategy is included at the lower formulation level, considering minimizing the expected operation cost of electricity and thermal power generation units subject to the optimal power flow equations of electrical and thermal networks. The Karush-Kuhn-Tucker method obtains a single-level formulation for the design. The stochastic optimization is used to model uncertainties of load and renewable resources. Finally, the obtained numerical results indicate the proposed design's ability to improve the operation and economic status of energy networks compared with optimal power flow studies (the hub-less network), along with optimal power scheduling of hubs in accordance with improving their economic status. So, hydrogen, compressed air, and heat storage devices lead to an 11.2% enhancement in the economic status of the renewable hub. Optimal energy management of renewable hubs based on the storage system has led to a 27% enhancement in energy network operation status compared to optimal power flow studies. 

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