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http://dx.doi.org/10.5370/KIEE.2014.63.1.018

A Study on Optimal Operation of Microgrid Considering the Probabilistic Characteristics of Renewable Energy Generation and Emissions Trading Scheme  

Kim, Ji-Hoon (Dept. of Electrical Engineering, Incheon National University)
Lee, Byung Ha (Dept. of Electrical Engineering, Incheon National University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.63, no.1, 2014 , pp. 18-26 More about this Journal
Abstract
A microgrid can play a significant role for enlargement of renewable energy sources and emission reduction because it is a network of small, distributed electrical power generators operated as a collective unit. In this paper, an application of optimization method to economical operation of a microgrid is studied. The microgrid to be studied here is composed of distributed generation system(DGS), battery systems and loads. The distributed generation systems include combined heat and power(CHP) and small generators such as diesel generators and the renewable energy generators such as photovoltaic(PV) systems, wind power systems. Both of thermal loads and electrical loads are included here as loads. Also the emissions trading scheme to be applied in near future, the cost of unit start-up and the operational characteristics of battery systems are considered as well as the probabilistic characteristics of the renewable energy generation and load. A mathematical equation for optimal operation of this system is modeled based on the mixed integer programming. It is shown that this optimization methodology can be effectively used for economical operation of a microgrid by the case studies.
Keywords
Microgrid; Optimal operation; CO2; Monte-Carlo method; CHP; Wind power; PV; Emissions trading scheme;
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Times Cited By KSCI : 3  (Citation Analysis)
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