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

The Korean Institute of Electrical Engineers (대한전기학회)
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Optimal Capacity Determination Method of Battery Energy Storage System for Demand Management of Electricity Customer

수용가 수요관리용 전지전력저장시스템의 최적용량 산정방법

  • Cho, Kyeong-Hee (Smart Distribution Research Center, Advanced Power Grid Research Division, Korea Electrotechnology Research Institute) ;
  • Kim, Seul-Ki (Smart Distribution Research Center, Advanced Power Grid Research Division, Korea Electrotechnology Research Institute) ;
  • Kim, Eung-Sang (Smart Distribution Research Center, Advanced Power Grid Research Division, Korea Electrotechnology Research Institute)
  • 조경희 (한국전기연구원 스마트배전연구센터) ;
  • 김슬기 (한국전기연구원 스마트배전연구센터) ;
  • 김응상 (한국전기연구원 스마트배전연구센터)
  • Received : 2012.11.13
  • Accepted : 2012.12.27
  • Published : 2013.01.01
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Abstract

The paper proposes an optimal sizing method of a customer's battery energy storage system (BESS) which aims at managing the electricity demand of the customer to minimize electricity cost under the time of use(TOU) pricing. Peak load limit of the customer and charging and discharging schedules of the BESS are optimized on annual basis to minimize annual electricity cost, which consists of peak load related basic cost and actual usage cost. The optimal scheduling is used to assess the maximum cost savings for all sets of candidate capacities of BESS. An optimal size of BESS is determined from the cost saving curves via capacity of BESS. Case study uses real data from an apartment-type factory customer and shows how the proposed method can be employed to optimally design the size of BESS for customer demand management.

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References

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