Open AccessResearch on Charging Load Characteristics of EVs Based on Actual Charging Power
Author(s) -
Min Wang,
Peng Zhang,
Yi Shi,
Chao Wu,
Mahammad Mammadli,
Wei Zhang
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/752/1/012012
Subject(s) - automotive engineering , power (physics) , electric vehicle , mode (computer interface) , battery (electricity) , monte carlo method , electrical engineering , computer science , engineering , mathematics , physics , quantum mechanics , operating system , statistics
With the expansion of the scale of electric vehicles (EVs) and the maturity of fast charging technology and the popularization of fast charging piles, the disorderly fast charging of EVs caused a significant damage on distribution network, the actual charging power of EVs is different from the rated power, the traditional method of using the rated power of the charging pile to forecast the charging load will cause a significant error and affect the dispatching operation of power grid. Based on the actual EV charging curve, this paper establishes a variable power fast charging load model for EVs. The Monte Carlo simulation method is used to simulate the charging load of EV groups. The fast charging loads of EVs with different vehicle types and different battery capacities are compared. The actual variable power fast charging mode of the electric vehicles is compared with the constant power fast charging mode and the slow charging mode, and the charging loads of the three charging modes are significantly different. Finally, the impact of charging load of electric vehicles of different scales on distribution network load is analyzed.