Energy Management of a Single Grid-Connected Home Microgrid for Determining Optimal Supply/Demand Bids

Fouladfar, Mohammad, Fenik, Mohammed, Marzband, Mousa, Busawon, Krishna, Al-Sumaiti, Ameena and Pouresmaeil, Edris (2018) Energy Management of a Single Grid-Connected Home Microgrid for Determining Optimal Supply/Demand Bids. In: 5th International Symposium on Environment Friendly Energies and Applications, 24-26 September 2018, Rome.

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Abstract

As a result of socio-economic growth and paying attention to environmental aspects requirement in order to improve the reliability and achieve higher service, better power quality and increasing energy efficiency are taken more into consideration. Thus, home micro-grids (H-MG) with nondispatchable Source and interruptible loads can be used as the primary tool to achieve the stated objectives. In order to implement the energy management system (EMS) an algorithm is presented in this paper. EMS which is based on harmony search method for multi-purpose extrapolation of a sample HMG with renewable energy sources (RES) as well as compound resources of backup power such as micro-turbine and battery for levelling the mismatch of power or for additional power saving in case of necessary. In this paper, the harmony search (HS) for an algorithm to minimize the costs associated with sources, RLD and reduce the price of the electricity (i.e. market clearing price) with respect to the proposed price of production and supply, the price of non-interruptible loads, the optimal production of each of the existing resources in the micro grid is determined. For reliability enhancement the uncertainty is considered in using wind turbines (WT), photovoltaic (PV), load demand and market clearing price in the algorithm. The recommended algorithm system is tested on a H-MG sample. These results show the capability of the HS approach in supplying the load requested.

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