Designing a Distribution Micro-Grid in the Presence of Hybrid Energy Resources to Reduce Operating Costs and Increase Resource Aggregator Revenue
Subject Areas : electrical and computer engineering
M. Bensaeed
1
,
N. Erfani Majd
2
1 - Dept. of Elec. Eng., Shohadaye Hoveizeh Campus of Technology, Shahid Chamran University of Ahvaz, Ahvaz, Iran
2 - Dept. of Elec. Eng., Shohadaye Hoveizeh Campus of Technology, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Keywords: Micro-grid design, Hybrid energy resources, Operating cost, Resource aggregator revenue, Teaching learning-based optimization.,
Abstract :
With the development of hybrid energy resources and electrical energy storage devices, the operation of distribution networks has become more flexible. In order to reduce operating costs, optimal management of these resources in the distribution network is essential. Since the ownership of these resources is usually private, it is necessary to include the owners' income in the objective function, in addition to the operating cost. This research presents an optimization model for locating and capacity finding hybrid energy resources next to a pumped storage power plant to design a micro-grid with the ability to operate as an island. The proposed model is presented from the perspective of network operation by the energy resource aggregator. The objective function includes reducing the cost of losses, the cost of energy supply, increasing the benefits of the aggregator, and improving the reliability of the network. The uncertainties of the consumed and produced power of the resources are modeled in the form of time scenarios, and the teaching learning based optimization algorithm in MATLAB software is used for optimization. Simulation results on a standard 69-bus distribution network indicate the superiority of the proposed model in reducing costs and increasing resource aggregator revenue.
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