Traditionally, the main supply of electrical energy in the remote small island is imported diesel fuel. The expensive costs of transportation, fuel and operation cause significant financial costs for most utilities. It is evident that a partial replacement of renewable energy on such an island reduc Contact online >>
Traditionally, the main supply of electrical energy in the remote small island is imported diesel fuel. The expensive costs of transportation, fuel and operation cause significant financial costs for most utilities. It is evident that a partial replacement of renewable energy on such an island reduces expenses. As the attractive renewable energy is gradually developed and may become the major energy in the island, microgrid technology must be considered to maximize the utilization of renewable energy and maintain power quality.
From an economic analysis, microgrids integrated with renewable energy, energy storage, and information communication technology efficiently achieves fossil fuel energy reductions and peak shaving, as well as reduced numbers of fossil fuel-fired generation units. The budget and ROI (return on investment) on a microgrid on a small island are practically considered and evaluated to decide the preliminary investment, including the installed capacity. The affordable solutions can be divided into only installation of renewable energy without any control, integration of renewable energy and diesel generation, integration of renewable energy and energy storage, and the coordination of renewable energy, energy storage and diesel generation.
Politically, energy independence is highly intertwined with security. One-hundred percent renewable energy is an aggressive long-term goal of energy and environmental policies. In the short term, replacement of fossil-fuel energy with renewables is a sustainable development.
The impact of increasing renewable energy penetration on the power system is a technical challenge, especially for a small island. Renewable energy, diesel generators, energy storage and load consumption are coordinated to maximize fossil fuel savings and operate more efficiently.
Itu Aba Island, also known as Taiping Island, is located 1,900 kilometers southwest of Taipei, Taiwan. It is powered by three 400-kW diesel generators, 160 kW PV, and 612 kWh energy storage. Installing monitoring and control of the diesel generators is not available because it is costly and time-consuming. Itu Aba Island is suitable for the existing diesel generator system with a passive energy storage system that has an important role in maintaining a stable power system.
For a downloadable copy ofAugust 2016 eNewsletterwhich includes this article, please visit theIEEE Smart Grid Resource Center.
Yun-Wei Huang has 15 years of experience in electromechanical integration of the thermal power plant and renewable energy. Currently, he is a senior manager of new energy system division, Tatung Company, and participates in more than 500 renewable energy sites in Taiwan. Hereceived a B.S. degree in mechanical engineering from Southern Taiwan University of Science and Technology in 1999, and an M.S. degree from Tatung University in 2001.
Yi-Ping Chen, an IEEE member, is a director of micro grid system division, Tatung Company, and an adjunct assistant professor at Tatung University. His research interests include smart meter, microgrid, and deregulation of power system. Hereceived B.S., M.S. and Ph.D. degrees in electrical engineering from Tatung University, in 2003, 2004 and 2009, respectively.
Chih-Ta Tsaiis a senior engineer at the Industrial Technology Research Institute. His research interests include PV system inspection, testing, fire prevention, safety, and performance evaluation. Hereceived a B.S. degree in electrical engineering from Kun Shan University in 2003, and an M.S. degree from National Cheng Kung University in 2005.
Chi-Chang Chanis a senior engineer at the Industrial Technology Research Institute. He is responsible for the R&D of various solar PV system application technologies and mini-grid power plant design, installation supervision, acceptance check and operation. Hereceived an M.S. degree from the National Taipei University of Technology in 2000, and a Ph.D. degree from National Taiwan University in 2009.
To view archived articles, and issues, which deliver rich insight into the forces shaping the future of the smart grid. Older Bulletins (formerly eNewsletter) can be foundhere.To download fullissues, visit the publications section of theIEEE Smart Grid Resource Center.
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Ladies and gentlemen.
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Energy costs in the Solomons are amongst the highest in the world and the highest in the Pacific. The high cost of electricity and the limited reach of the distribution grid are slowing economic growth and hampering community development.
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