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The optimal operation of distributed generation possessed by community energy system considering low-carbon paradigm

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3 Author(s)
Hun Shim ; Dept. of Electr. Eng., Hanyang Univ., Seoul, South Korea ; Sung-Yul Kim ; Jin-O Kim

By development of renewable energy and high-efficient faculties under the environment of deregulated electricity market, the operation cost of distributed generation(DG) becomes more competitive. Also, international environmental regulations of the leaking carbon become effective to keep pace with the global efforts for low-carbon paradigm. These contribute to spread out the business of DG. Therefore, the operator of DG is able to supply electric power to customers who are connected directly to DG as well as loads that are connected to entire network. In this situation, community energy system(CES) having DGs is recently a new participant in the energy market. DG's purchase price from the market is different from the DG's sales price to the market due to the transmission service charges and etc. Therefore, CES who owns DGs has to control the produced electric power per hourly period in order to maximize the profit. Considering the international environment regulation, CE newly will be an important element to decide the marginal cost of generators as well as the classified fuel unit cost and unit's efficiency. This paper introduces the optimal operation of CES's DG connected to the distribution network considering CE. The purpose of optimization is to maximize the profit of CES and particle swarm optimization (PSO) will be used to solve this problem. The optimal operation of DG represented in this paper would guide to CES and system operator for determining the decision making criteria.

Published in:

PowerTech, 2009 IEEE Bucharest

Date of Conference:

June 28 2009-July 2 2009