재생에너지 변동성 대응을 위한 전기차 활용 방안 연구
Study on Utilizing Electric Vehicles for the Variability of Renewable Energy
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As renewable energy generation is expanding, technology (Electric Vehicles, Energy Storage Systems, etc.) is being developed to respond to the variability of renewable energy and improve the grid stability. This study analyzed the effects of EV expansion on both renewable energy variability and power system flexibility. The scenarios were based on the combined modeling for the electric and transport sector. As a result of modeling, EV expansion has contributed significantly to reducing curtailment. The RE20% (Renewable Energy Power Generation Share 20%) scenario did not result in curtailment when EV reached 3 million units. The RE30% Scenario showed that EV reached 7 million units or other ESS technologies should be applied together to reduce curtailment significantly. This modeling considered smart charging. In reality, other charging types are more common than smart charging. Various institutional devices and polices will be needed to realize that. In addition, it will be necessary to study the unique characteristics of transportation.
Abstract
As renewable energy generation is expanding, technology (Electric Vehicles, Energy Storage Systems, etc.) is being developed to respond to the variability of renewable energy and improve the grid stability. This study analyzed the effects of EV expansion on both renewable energy variability and power system flexibility. The scenarios were based on the combined modeling for the electric and transport sector. As a result of modeling, EV expansion has contributed significantly to reducing curtailment. The RE20% (Renewable Energy Power Generation Share 20%) scenario did not result in curtailment when EV reached 3 million units. The RE30% Scenario showed that EV reached 7 million units or other ESS technologies should be applied together to reduce curtailment significantly. This modeling considered smart charging. In reality, other charging types are more common than smart charging. Various institutional devices and polices will be needed to realize that. In addition, it will be necessary to study the unique characteristics of transportation.
참고문헌 (11)
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- International Council on Clean Transportation, "Power play : How governments are spurring the electric vehicle industry, White Paper" (2018)
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- A Study for the vitalization of electric vehicle charging service industry in Korea, "Korea Energy Economy Institute", MOTIE, ~ (2017)