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2018 Vol.36, Issue 6

Article

Analysis on a Greenhouse Gas Reduction Effect of an Electric Vehicle by Applying the Demand Side Management Method

전력수요관리 방식을 고려한 전기자동차의 CO2 감축효과 분석

Hyungwook SHIM1*
,
Sungsoo KIM2
심 형욱1*
,
김 성수2
1Ph.D Course, Graduate School of Environmental Studies, Seoul National University
2Professor, Graduate School of Environmental Studies, Seoul National University
1서울대학교 환경대학원 박사과정
2서울대학교 환경대학원 교수
* Corresponding Author
31 December 2018. pp. 403-414
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Abstract

As regards the research of studies for electric vehicle’s environmental friendly, the results indicate that an electric vehicle, including CO2 from power plants, produce CO2 more than an internal combustion vehicle. However, existing studies have an error in the procedure of CO2 calculation in that it supposed the charging demand of electric vehicle is same as the amount of power by additional generation in power plant. According to this, in this paper, based on the “8th Basic Plan for Power Supply and Demand”, the demand supply program of power plant, valley filling method, is considered to calculate more accurate CO2 emission. In results, electric vehicle’s CO2 emission is calculated about 25% of Internal combustion vehicle’s and the power demand supply management shows the effect reducing CO2 emission. If various improved charging methods are developed, electric vehicle would be expected to extension of standing as the main means of the transportation.

Keywords
eco friendly
electric vehicle,
greenhouse gas
load factor
power demand supply

최근 전기자동차의 친환경성에 대한 연구결과에 따르면 전기자동차의 연료인 전기를 생산하는 과정에서 배출되는 CO2로 인하여 전기자동차의 CO2 배출량이 내연기관차보다 오히려 많다는 결과를 발표하고 있다. 그러나 기존 연구는 발전소에서 배출하는 CO2를 산출하는 과정에서 전력수요관리 방식을 고려하지 않았고 전기자동차 충전수요를 순수한 첨두 발전량으로 가정하고 있어, 실제 CO2 배출량과 상당한 오차를 포함하고 있다. 따라서 본 논문은 “제8차 전력수급기본계획” 이행을 위한 Valley Filling 전력수요관리 방식을 적용하여 전기자동차 충전수요에 따른 실제적인 CO2 배출량을 분석하였다. 분석결과 전기자동차의 CO2 배출량은 내연기관차의 25% 수준으로 나타났으며 CO2 감축에 있어서 전력수요관리 방식이 효과를 보이는 것을 확인하였다. 본 논문의 결과에 따라 전기자동차는 전력수급계획을 고려한 다양한 충전방식 개발을 통해 점차 친환경적 이동수단으로써 입지를 확대할 수 있을 것으로 기대된다.

키워드
친환경성
전기자동차
온실가스
부하율
전력수요관리
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Information
  • Publisher :Korean Society of Transportation
  • Publisher(Ko) :대한교통학회
  • Journal Title :Journal of Korean Society of Transportation
  • Journal Title(Ko) :대한교통학회지
  • Volume : 36
  • No :6
  • Pages :403-414
  • Received Date : 2018-06-06
  • Revised Date : 2018-08-20
  • DOI :https://doi.org/10.7470/jkst.2018.36.6.403
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