Field Test of Wind Power Output Fluctuation Control Using an Energy Storage System on Jeju Island

Sang Heon Chae, Chul Uoong Kang and Eel-Hwan Kim
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Sang Heon Chae: Electric Energy Research Center, Jeju National University, Jejudaehakno 102, Jeju-si 63243, Korea
Chul Uoong Kang: Department of Mechatronics Engineering, Jeju National University, Jejudaehakno 102, Jeju-si 63243, Korea
Eel-Hwan Kim: Department of Electrical Engineering, Jeju National University Jejudaehakno 102, Jeju-si 63243, Korea

Energies, 2020, vol. 13, issue 21, 1-16

Abstract: At present, renewable energy installations are expanding to solve both environmental problems and expensive energy fuel import prices in isolated areas. However, in a small-scale power system, rapid output fluctuations of renewable energy may cause power quality problems such as voltage and frequency fluctuations in the power system. To solve this problem, the local government of Jeju Island in South Korea implemented a megawatt (MW)-class pilot project to stabilize the output power of wind turbines using an energy storage system (ESS). In this project, a 0.5 MWh lithium-ion battery was connected to a 3 MW wind turbine via 1 MW power conversion system (PCS). In this paper, the field test results were divided into four categories as follows. First, the performance of stabilizing the output of the wind turbine using ESS was confirmed. Second, the control performance of the ESS was confirmed when the wind turbine suddenly stopped due to an accident. Third, it was confirmed that the ESS discharged energy into the power system after the stabilization of the wind turbine output. Fourth, the reasons for the failure of the ESS to control output stabilization of the wind turbine were analyzed through MATLAB simulation.

Keywords: energy storage system; fluctuation control; renewable energy; small power system; wind power generation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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