بهره‌برداری بهینه ریزشبکه AC در حضور خودروهای برقی تحت مدیریت طرف تقاضا
محورهای موضوعی : مهندسی برق و کامپیوتر
علی مهدی‌زاده
1
(دانشگاه شهید مدنی آذربایجان)
نوید تقی‌زادگان کلانتری
2
(دانشگاه شهید مدنی آذربایجان)
جواد صالحی
3
(دانشگاه شهید مدنی آذربایجان)
کلید واژه: بهره‌برداری بهینه ریزشبکه ACخودروهای برقیمدیریت طرف تقاضامنابع انرژی‌های تجدیدپذیر,
چکیده مقاله :
در سال‌های اخیر، نفوذ منابع انرژی‌های تجدیدپذیر و خودروهای برقی در ریزشبکه AC افزایش یافته است. همچنین مدیریت طرف تقاضا می‌تواند برای مدیریت بار پیک استفاده شود تا عملکرد بهینه ریزشبکه AC را بهبود دهد. بنابراین، این مقاله بهره‌برداری بهینه ریزشبکه AC در حضور خودروهای برقی تحت مدیریت طرف تقاضا را به طور هم‌زمان پیشنهاد داده است. مدل ارائه‌شده چگونگی عملکرد کوتاه‌مدت ریزشبکه را شامل نحوه و میزان تبادل با شبکه بالادست، تولید واحدهایDG شامل توربین‌های بادی، باتری ذخیره‌ساز، دیزل ژنراتورها، شارژ و دشارژ هوشمند خودروهای برقی و نحوه مشارکت مصرف‌کنندگان بزرگ صنعتی و تجمیع‌کننده‌های مصرف‌کنندگان کوچک در برنامه‌های مدیریت طرف تقاضا را به صورتی که هزینه بهره‌برداری ریزشبکه کمینه شود تعیین می‌کند. فرمولاسیون ارائه‌شده مدل ریاضی منابع مختلف انرژی را در ریزشبکه مدل کرده و قیود پخش بار AC و محدودیت ولتاژ شین‌ها و جریان فیدرها را در ریزشبکه در نظر گرفته است. ریزشبکه 33 شین AC به عنوان تست سیستم استفاده می‌شود تا اثرات خودروهای برقی و مدیریت طرف تقاضا را روی بهره‌برداری بهینه ریزشبکه AC بررسی کند. مدل پیشنهادی به شکل برنامه‌ریزی غیر خطی آمیخته با اعداد صحیح مدل‌سازی شده و با استفاده از حل‌کننده SBB تحت نرم‌افزار بهینه‌سازی GAMS حل شده است.
In the recent years, integrations of renewable energy sources as well as plug-in electric vehicles are increased in the AC microgrid. Also, demand side management can be used to manage peak load in order to improve optimal performance of AC microgrid. Therefore, this paper proposes optimal operation of AC microgrid in the presence of plug-in electric vehicles under demand side management. The proposed model describes optimal operation of microgrid including the exchange power with the upstream grid, the production of DG units including wind turbines, battery storage, diesel generators, charging and discharging of electric vehicles and the manner of participation of large industrial consumers and aggregators of small consumers in demand side management that minimize the operation cost of microgrid. The proposed formulation is considered the mathematical model of various energy sources in a microgrid and the AC load flow constraints and the bus voltage and feeder current limitations has been considered.In the proposed model, charge and discharge management of plug-in electric vehicles and demand side management are simultaneously proposed to reduce operation cost of AC microgrid subject to technical and economic constraints. A 33-bus microgrid is used as test system in order to investigate effects of plug-in electric vehicles and demand side management on optimal operation of AC microgrid. The proposed model is formulated via mixed-integer non-linear programming which is solved using CPLEX solver under GAMS optimization software.
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