Journal
SUSTAINABLE CITIES AND SOCIETY
Volume 56, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.scs.2020.102084
Keywords
Electric vehicle; Charging profile; Vehicle ownership; Load forecasting
Categories
Funding
- National Natural Science Foundation of China [61773195]
- Department of Education of Guangdong Province [2017KQNCX149]
- Science and Technology Innovation Committee of Shenzhen [ZDSYS201604291912175]
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More and more adoptions of electric vehicles (EVs) would bring a potential threat on the existing electric grid. In this context, a systematic methodology is presented in this paper to predict the additional loads resulting from EV charging in the mid-and-long term. It includes probabilistic models for describing the EV charging profiles and forecast models for predicting the future EV ownership. It is impractical to develop a method to simulate the charging profiles of the entire EV fleet due to the diversity of EV charging behaviors. As a consequence, the entire EV fleet is divided into four categories viz. private EV, electric taxi, electric bus and official EV so as to predict their charging loads respectively. The proposed method is conducted in the city of Shenzhen, which currently has the largest electric bus and electric taxi fleet in the world. Results indicate that the maximum value of the predicted EV charging profile in 2025 would occur at 21:30, reaching 1,760 MW under high oil price, which could elevate the existing load peak by 11.08 %.
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