A ROBUST MODEL OF DISTRIBUTION SYSTEM RECONFIGURATION CONSIDERING THE UNCERTAINTY OF LOAD AND RENEWABLE ENERGY
محل انتشار: دهمین کنفرانس منطقه ای سیرد
سال انتشار: 1401
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 142
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شناسه ملی سند علمی:
CIRED10_014
تاریخ نمایه سازی: 9 اسفند 1401
چکیده مقاله:
In modern smart grids, distribution system reconfiguration has faced with enormous challenges in uncertainty modeling, the contribution of several modern technologies, and respecting standard limits. Here, a new approach for hourly feeder reconfiguration is formulated that presents probabilistic constraints for main substation capacity limits in presence of both renewable energy and load uncertainties. Then a robust mixed integer linear programming model of the problem is obtained. For this aim, we assume the standard normal distribution as a rated probability density function of uncertainties, at first. Secondly, using Kullback-Leiber divergence an ambiguity set is formed that show the distance of other probability distributions from the rated distribution (mainly called ambiguity set radius). Finally, the model is solved with a new powerful solver named YALMIP and MOSEK in MATLAB software. Simulation results of testing the approach on a modified ۳۳-bus IEEE distribution system validate the method's superiority in making the system robust against uncertainty probability distribution functions. The main advantage of this method is the flexibility of the problem of ambiguity radius. In otherwords, this factor can be utilized by the distribution system operator to deal with uncertainty in either an optimistic (small radius) or a pessimistic (large radius) look. Themore ambiguous the set radius, the more pessimistic approach, the more severe conditions, and the more network reconfiguration cost.
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نویسندگان
Moaiad Mohseni
Khuzestan Regional Electric Company, Ahvaz, Iran
Alireza Niknam Kumle
Faculty of Electrical Engineering, Amirkabir University of Technology (Tehran polytechnic), Tehran, Iran