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전기자동차 보급에 따른 기존 아파트의 변압기용량 한계시점에 대한 연구

Title
전기자동차 보급에 따른 기존 아파트의 변압기용량 한계시점에 대한 연구
Other Titles
A Study on the Transformer Spare Capacity in the Existing Apartments for the Future Growth of Electric Vehicles
Author
이주
Keywords
Electric vehicle; Transformer spare capacity; Existing apartment; Limit point
Issue Date
2016-12
Publisher
대한전기학회
Citation
전기학회논문지, 제65권, 제12호, Page. 1949-1957
Abstract
Rapid Expansion of EVs(Electric Vehicles) is inevitable trends, to comply with eco-friendly energy paradigm according to Paris Agreement and to solve the environment problems such as global warming. In this paper, we analyze the limit point of transformer acceptable capacity as the increase of power demand considering EVs supply in the near future. Through the analysis of transformer utilization, we suggest methods to analyze the spare capacity of transformer for the case of optimal efficiency operation and emergency operation respectively. We have the results of 18.4~29% spare capacity for the charging infrastructure to the rated capacity of transformer by analyzing the existing sample apartments. It is analyzed that the acceptable number of EVs is 0.09~0.14 for optimal efficiency operation and 0.06~0.13 for emergency operation. Therefore, it is analyzed the power demand of EV will exceed the existing transformer spare capacity in 7~8 years as the annual growth rate of EVs is prospected 112.5% considering current annual growth rate of EVs and the government EV supply policy.
URI
http://koreascience.or.kr/article/JAKO201609064339785.pagehttps://repository.hanyang.ac.kr/handle/20.500.11754/102342
ISSN
1975-8359; 2287-4364
DOI
10.5370/KIEE.2016.65.12.1949
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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전기자동차 보급에 따른 기존 아파트의 변압기용량 한계시점에 대한 연구.pdfDownload
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