전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제65권6호
  • /
  • Pages.962-968
  • /
  • 2016
  • /
  • 1975-8359(pISSN)
  • /
  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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연축전지와 리튬이온전지용 하이브리드 ESS의 최적구성방안에 관한 연구

A Study on Estimation Method for Optimal Composition Rate of Hybrid ESS Using Lead-acid and Lithium-ion Batteries

  • Park, Soo-Young (Dept. of Electrical Engineering, Korea University of Technology & Education) ;
  • Ryu, Sang-Won (Dept. of Electrical Engineering, Korea University of Technology & Education) ;
  • Park, Jae-Bum (Dept. of Electrical Engineering, Korea University of Technology & Education) ;
  • Kim, Byung-Ki (Dept. of Electrical Engineering, Korea University of Technology & Education) ;
  • Kim, Mi-Young (Dept. of Electrical Engineering, Korea University of Technology & Education) ;
  • Rho, Dae-Seok (Dept. of Electrical Engineering, Korea University of Technology & Education)
  • 투고 : 2015.11.05
  • 심사 : 2016.04.12
  • 발행 : 2016.06.01
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초록

The large scaled lead-acid battery is widely used for efficient operation of the photovoltaic system in many islands. However, lithium-ion battery is now being introduced to mitigate the fluctuation of wind power and to replace lead-acid battery. Therefore, hybrid ESS(Energy Storage system) that combines lithium-ion battery with lead-acid battery is being required because lithium-ion battery is costly in present stage. Under this circumstance, this paper presents the optimal algorithm to create composition rate of hybrid ESS by considering fixed and variable costs in order to maximize advantage of each battery. With minimization of total cost including fixed and variable costs, the optimal composition rate can be calculated based on the various scenarios such as load variation, life cycle and cost trend. From simulation results, it is confirmed that the proposed algorithms are an effective tool to produce a optimal composition rate.

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참고문헌

  1. Jongyun Jung and Daeseok Rho, "A Study on the Optimal Design of Hybrid-typed Electrical Energy Storage System (EESS)", Journal of KAIS(Korea Academia- Industrial cooperation Society), Vol 15, No 1, pp. 45-47, May, 2014
  2. Seungtaek Oh and Daeseok Rho, "A Study on the Operation Algorithm of Hybrid-typed Energy Storage System(ESS)", Journal of KAIS, Vol 15, No 1, pp. 48-50, May, 2014
  3. KBIA(Korea Battery Industry Association), "2013 the large scale lithium-ion secondary battery cost trends and forecast", Mar, 2013
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  8. Jaebum Park and Daeseok Rho, "A Study on the BMS Design of Lithium-ion Battery for Energy Storage System", Journal of KAIS, Vol 14, No 2, pp. 157-159, May, 2013
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