بهینه¬سازی مبادلات همتابه¬همتای انرژی در مجتمع¬های تولید انرژی متصل به شبکه توزیع فعال با استفاده از پوش¬های بهره¬برداری پویا
محورهای موضوعی : مهندسی برق قدرت
محمد صداقت
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اسمعیل رک رک
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میثم دوستی زاده
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1 - دانشکده مهندسي، گروه برق قدرت، داشگاه لرستان، خرم آباد، ايران
2 - دانشکده مهندسي، گروه برق قدرت، داشگاه لرستان، خرم آباد، ايران
3 - دانشکده مهندسي، گروه برق قدرت، داشگاه لرستان، خرم آباد، ايران
کلید واژه: مبادلات همتابه¬همتای انرژی, پوش¬های بهره¬برداری پویا, شبکه توزیع فعال, بازار برق محلی و مجتمع¬های تولید انرژی.,
چکیده مقاله :
در سالهای اخیر مبادلات همتابههمتای انرژی، به عنوان یکی از اجزای مهم بازارهای برق محلی و غیرمتمرکز شناخته میشوند. یکی از چالشهای مهم در پیادهسازی این مبادلات میان کاربران، حفظ قیود فنی شبکههای توزیع در محدوده مجاز و استفاده از حداکثر ظرفیت مشترکین در جریان مبادلات انرژی است. معمولا تقاضای توان در نقاطی از شبکه که فاقد تولیدکننده هستند در بازههای زمانی مختلف متغیر است که تعیین محدوده عملیاتی برای تولیدکنندگان را بسیار دشوار میسازد. در این مقاله ساختاری مبتنی بر پوشهای بهرهبرداری پویا برای محاسبه محدودیتهای شبکه به صورت دینامیک ارائه شدهاست که علاوه بر حفظ قیود فنی شبکه در محدوده مجاز، موجب استفاده از حداکثر ظرفیت تولیدکنندگان برای مشارکت در بازار میشود. ساختار پیشنهادی برای مبادلات همتابههمتای مجتمعهای تولید انرژی متشکل از تولیدات خورشیدی و بادی، بارهای ثابت و انعطافپذیر و باتری در یک شبکه توزیع فعال ارائه شدهاست. همچنین در این ساختار، پوشهای بهرهبرداری پویا از توافق میان مجتمعهای انرژی و اپراتور شبکه توزیع محاسبه میشوند. روش پیشنهادی بر روی شبکه 33 شینه استاندارد IEEE و با حضور چندین مجتمع تولید انرژی پیادهسازی شدهاست. بهینهسازی مبادلات در ساختار پیشنهادی با استفاده از روش جهت متناوب ضرب کنندهها (ADMM) و از نوع کاملا غیرمتمرکز انجام میشود. شبیهسازیهای این مقاله با استفاده از نرم افزارGAMS نسخه24.8.1 انجام میشود و نتایج بدست آمده نشان میدهد روش ارائه شده موجب افزایش مبادلات مجتمعهای تولید انرژی شده و قیود فنی شبکه را در محدوده ایمن حفظ میکند.
In recent years, peer to peer energy trading have become an important component of local and decentralized electricity markets. One of the remarkable challenges in implementing these trades between users is keeping the technical constraints of distribution networks within the permitted limits and utilizing the maximum capacity of prosumers during energy transactions. Usually, power demand at points in the grid that do not have generations varies over time, which makes it very difficult for prosumers to determine their operating range. In this paper, a structure based on dynamic operation envelopes is presented to dynamically calculate network constraints, which, in addition to maintaining the technical constraints of the network within the permitted range, allows the maximum use of the capacity of prosumers to participate in the market. The proposed structure is presented for P2P trades of energy communities consisting of solar and wind generation, fixed and flexible loads, and batteries in an active distribution network. Also, in this structure, dynamic operation envelopes are calculated from the agreement between the energy communities and the distribution system operator. The proposed method has been implemented on standard IEEE 33 bus system with the presence of several energy communities. The optimization of the equations is performed using the alternating direction method of multipliers (ADMM) and is completely decentralized. The simulations in this paper are accomplished using GAMS software version 24.8.1., and the obtained results show that the presented method increases the trades of energy communities and maintains the technical constraints of the network within the safe range.
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