Operation strategy of microgrid for rural area of northern Thailand

Author(s): Ketsavanh Solaphoma, Suttichai Premrudeepreechacharna, Tirapong Kasirawatb, Channarong Sornditb, Thongchai Meenualb, Kohji Higuchic
a Faculty of Engineering, Chiang Mai University, Chiang Mai, 50200, Thailand
b Provincial Electricity Authority (PEA), Chiang Mai, 50200, Thailand
c The University of Electro-Communications, 1-5-1 Chofu-ga-oka, Chofu-City, Tokyo 182-8585, Japan
International Journal of Smart Grid and Clean Energy, vol. 9, no. 1, January 2020: pp. 126-134
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.9.1.126-134

Abstract: This paper presents operation strategy and energy management for a grid connected microgrid, which is consisted of the micro hydropower plant, photovoltaic system (PV), battery energy storage system (BESS) and the main grid. The main objective is to minimize the energy flow of the system as a lot of power is imported from the main grid. All actual data profiles are collected from a real microgrid site. The microgrid model uses a microgrid controller to control BESS, PV generation, and load consumption, which focuses on energy management system (EMS), is based on the peak shaving. The EMS can perform smoothly when used with BESS. The experimental results have shown that a system is able to reduce energy consumption and peak demand period from the grid.

Keywords: BESS, energy management system, microgrid, operation, peak shaving
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