مدیریت هم‌زمان انرژی منابع Micro-CHP و ذخیره‌سازهای انرژی در ریزشبکه‌ها با وجود بارهای پاسخگو

نویسندگان

1 دانشکده فنی مهندسی - گروه مهندسی برق - دانشگاه اصفهان

2 دانشکده فنی و مهندسی - گروه مهندسی برق - دانشگاه یاسوج

چکیده

پیاده‌سازی یک سیستم مدیریت انرژی مناسب جهت بهره‌برداری بهینه از منابع انرژی یک ریزشبکه با عدم‌قطعیت‌های موجود، از اهمیت زیادی برخوردار است. در این مقاله، یک سیستم مدیریت انرژی تصادفی با هدف کاهش هزینه و افزایش قابلیت اعتماد ریزشبکه، برای روز-پیشرو، ارائه شده‌است. سیستم مدیریت انرژی پیشنهادی، وظیفه تامین بار الکتریکی و حرارتی ریزشبکه را با هدف کاهش هزینه بهره‌برداری و افزایش قابلیت‌اعتماد برعهده دارد. در این روش از یک چهارچوب تصادفی مبتنی بر تولید سناریو جهت پوشش عدم‌قطعیت‌های موجود در بازار برق، بار الکتریکی و تولیدهای تجدیدپذیر، استفاده شده‌است. همچنین، برنامه‌های پاسخ تقاضا در قالب قراردادهای انتقال بار از سوی بهره‌بردار ریزشبکه به مصرف‌کنندگان، ارائه می‌شود. علاوه‌برآن، بهره‌برداری از ریزشبکه در دو حالت اتصال به شبکه بالادست و جزیره‌ای، مدنظر قرار می‌گیرد. با تحلیل نتایج به‌دست‌آمده از شبیه‌سازی یک ریزشبکه با سه فیدر و هفت واحد تولیدی، قابلیت روش پیشنهادی موردارزیابی قرار می‌گیرد.

کلیدواژه‌ها

عنوان مقاله [English]

Simultaneous Energy Management of Micro-CHP Units and Storage Systems in Microgrids Considering Responsive Loads

نویسندگان [English]

  • P. Firouzmakan 1
  • R. Hooshmand 1
  • A. Khodabakhshian 1
  • M. Bornapour 2
1 1- Faculty of Engineering, Department of Electrical Engineering, University of Isfahan, Isfahan, Iran
2 Faculty of Engineering, Electrical Engineering Department, Yasouj University, Yasouj, Iran
چکیده [English]

A suitable energy management system (EMS) is an essential tool for optimal operation of a Microgrid with different resources considering uncertainties. In this paper, a day-ahead stochastic EMS is proposed in order to minimize the cost operation and maximize the reliability of Microgrid. The proposed EMS should supply electrical and thermal loads of Microgrid. A stochastic framework based on scenario generation is used to response the uncertainties of electrical load, market price and renewable energy sources (RESs). Also demand response programs (DRPs) are provided based on various load shifting contracts to consumers. In addition, both islanding and grid-connected operations of Microgrid are handled. Capability of the proposed method is proved by simulation results of a 3-feeder Microgrid with 7 generation units.

کلیدواژه‌ها [English]

  • Microgrid
  • renewable energy sources (RESs)
  • Micro-CHP
  • demand response (DR)
  • reliability
  • stochastic programming

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