طراحی یک سیستم مدیریت انرژی برای یک ریزشبکه‌ صنعتی مبتنی بر منابع CHP از طریق برنامه‌ریزی تولید و پاسخ تقاضا

نویسندگان

دانشگاه اصفهان

چکیده

چکیده: بهره‌برداری بهینه از یک ریزشبکه به‌منظور مدیریت کارآمد و اقتصادی منابع انرژی موجود در آن، از اهمیت بالایی برخوردار است. سیستم مدیریت انرژی ریزشبکه باید با در نظر گرفتن همزمان بارهای الکتریکی و گرمایی، برای بهره‌برداری از ریزشبکه برنامه‌ریزی کند. در این مقاله، یک مسئلهی مدیریت انرژی با هدف کمینه کردن هزینه‌ی بهره‌برداری از یک ریزشبکه‌ی‌ صنعتی پیشنهاد می‌شود. تابع هدف مساله در قالب برنامه‌ریزی کوتاه مدت تولید برای منابع تولید پراکنده و اعمال برنامه‌ی پاسخ تقاضا فرمول‌بندی می‌شود. برنامه‌ی پاسخ تقاضا در قالب قراردادهای مختلف انتقال بار، از جانب بهره‌بردار ریزشبکه به مصرف‌کننده‌ها پیشنهاد می‌شود. در روش پیشنهادی، بهره‌برداری از ریزشبکه در دو حالت اتصال به شبکه‌ی اصلی و حالت جزیره‌ای مورد مطالعه قرار می‌گیرد. از طرف دیگر با توجه به نامعینی موجود در بار مصرفی و قیمت‌های بازار روز-پیش انرژی، روش پیشنهادی در قالب یک مسئلهی مدیریت انرژی تصادفیِ مبتنی بر سناریو ارائه می‌شود. در انتها با شبیه‌سازی روش ارائه­شده در ریزشبکه‌ای شامل 12 واحد تولیدی و تحلیل نتایج به­دست­آمده، قابلیت‌های آن مورد ارزیابی قرار خواهد گرفت.

کلیدواژه‌ها

عنوان مقاله [English]

Designing of A Novel Energy Management System for CHP-based Industrial Microgrids Including Generation Scheduling and Demand Response

چکیده [English]

Abstract: Energy management systems (EMSs) are essential tools for efficient, reliable, and cost-effective operation of a Microgrid (MG) with different energy resources. They optimally schedule MG’s operation considering electrical and thermal loads simultaneously. In this paper, an EMS is proposed to minimize operational cost of an industrial MG. Cost function of the MG operation is formulated using short-term generation scheduling for DGs –generally CHP type- and demand response (DR). To effectively address the existing uncertainty in forecasted load demand and day-ahead energy market prices, the proposed approach is formulated in the form of a scenario-based stochastic energy management problem. The DR program is modelled based on various load shifting contracts, from MG operator perspective.  Additionally, both islanded and grid-tied operation of the MG is handled within the same framework. To demonstrate the effectiveness of the proposed method, modified IEEE 18-bus test system including 12 DGs is adapted. Simulation results prove the effectiveness of the proposed method in optimal cost-effective management of the 

کلیدواژه‌ها [English]

  • Keywords: Industrial microgrid
  • combined heat and power (CHP)
  • generation scheduling
  • demand response (DR)
  • stochastic programming

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