Solving Non-Convex Economic Load Dispatch using a New Modified BFA Algorithm
Publish place: 19th Iranian Optics and Photonics Conference and 5th Iranian Photonics Engineering Conference
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICOPTICP19_242
تاریخ نمایه سازی: 26 مرداد 1397
Abstract:
Economic Load dispatch (ELD) generally formulated as non-smooth problem using optimization methods by approximating generator input/output characteristic curves of monotonically increasing nature results. Several traditional approaches, like lambda-iteration and gradient method are utilized to find out the optimal solution of non-linear problem. More recently, the soft computing methods have received more attention and were used in a number of successful and practical applications. This paper presents a newly developed optimization approach involving Modified Bacterial Foraging Algorithm (MBFA) applied for the solution of the ELD problem. For practical generator operation, many nonlinear constraints of the generator, such as ramp rate limits, prohibited operating zone, generation limits, transmission line loss and non-smooth cost functions are all considered using the proposed method. Here, an attempt has been made to find out the minimum cost by using MBFA using the data of six, fifteen and fourteen generating units. The results analysis confirms that the proposed method has an excellent capability to determine optimal solution of the ELD problems over the other existing methods and enhances efficiently the solutions quality of the power systems.
Keywords:
Modified Bacterial Foraging Algorithm , non-smooth ELD , Valve Point Effects , Heuristic Optimization
Authors
Reza Bazyar
Tabriz Electric Power Distribution Company Tabriz – Iran
Goran Hassanifard
Electrical Engineering Department, Engineering Faculty, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
Farid Adabi
Electrical Engineering Department, Engineering Faculty, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
Ali Ghasemi
Technical Engineering Department, University of Mohaghegh Ardabili, Ardabil, Iran Ardabil – Iran