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Solar ESS Peak-cut Simulation Model for Customer

수용가 대응용 태양광 ESS 피크컷(Peak-cut) 시뮬레이션 모델

  • 박성현 (아주대학교 산업공학과) ;
  • 이기현 (아주대학교 산업공학과) ;
  • 정명석 (아주대학교 산업공학과) ;
  • 채우리 (아주대학교 산업공학과) ;
  • 이주연 (아주대학교 산업공학과)
  • Received : 2019.05.02
  • Accepted : 2019.07.20
  • Published : 2019.07.28

Abstract

The world's electricity production ratio is 40% for coal, 20% for natural gas, 16% for hydroelectric power, 15% for nuclear power and 6% for petroleum. Fossil fuels also cause serious problems in terms of price and supply because of the high concentration of resources on the earth. Solar energy is attracting attention as a next-generation eco-friendly energy that will replace fossil fuels with these problems. In this study, we test the charge-operation plan and the discharge operation plan for peak-cut operation by applying the maximum power demand reduction simulation. To do this, we selected the electricity usage from November to February, which has the largest amount of power usage, and applied charge / discharge logic. Simulation results show that the contract power decreases as the peak demand power after the ESS Peak-cut service is reduced to 50% of the peak-target power. As a result, the contract power reduction can reduce the basic power value of the customer and not only the economic superiority can be expected, but also contribute to the improvement of the electric quality and stabilization of the power supply system.

Keywords

Solar power;ESS;Peak-cut;Simulation;Customer

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Fig. 1. Monthly power consumption

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Fig. 2. Daily Power Consumption

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Fig. 3. Consumed energy per hour

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Fig. 4. Charge operation plan

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Fig. 5. Discharge operation plan

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Fig. 6. February simulation results

Table 1. Current month Maximum demand

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Table 2. Charge logic

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Table 3. Discharge logic

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Table 4. February simulation results

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Acknowledgement

Supported by : Korea Institute of Energy Technology Evaluation and Planning(KETEP), Korea Industrial Technology Development Agency

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