Electrical Engineering Project Electric Vehicle (EV) Station

版本 1.0.1 (1.7 MB) 作者: Sachin Wagh
Design, Modeling and Simulation of an Electric Vehicle (EV) Charging Station for Fast DC Charging ensuring Quality Power Exchange V2G & G2V
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更新时间 2025/3/9

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Abstract:
This work presents a smart compactible integration of EV with the distribution grid assuring a quality power. The proposed model of an electric vehicle recharging station is suitable for the fast DC charging of multiple electric vehicles.
In this study, work is done for a level 3 off-board EV charging infrastructure that can employ multiple EVs which will alleviate the down-time required for vehicle charging. There is a master control to deal with the power exchange between the AC and DC bus (AC-DC Converter Control). The control of individual EV is de-centralized (DC-DC Converter Control). The work looks into two different aspects of EV integration to grid a) Grid to Vehicle mode-G2V (EV charging), b) Vehicle to Grid Mode-V2G (EV discharging Mode).
Design guidelines and modeling are explained in an educational way to support implementation in Matlab/Simulink. Simulations are performed to illustrate the behavior of the station. The results show the feasibility of the model proposed and the capability of the control system for fast DC charging and also vehicle-to-grid.
Index Terms: Electric Vehicle (EV), Vehicle-to-Grid (V2G), MATLAB/Simulink, Constant Current (CC) and Constant Voltage (CV).
References:
  1. Arnaldo Arancibia and Kai Strunz, “Modeling of an electric vehicle charging station for fast DC charging,” in IEEE International Electric Vehicle Conference, 2012, pp. 1-6.
  2. Polly Thomas, Fossy Mary Chacko, “Electric Vehicle Integration to Distribution Grid Ensuring Quality Power Exchange”, International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering (IJAREEIE), Vol. 2, Special Issue, Dec 2013, pp. 403 – 412.
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%% PROJECT CODE: MODELING AND SIMULATION OF A FAST DC CHARGING ELECTRIC VEHICLE STATION
% Reference:
% Arnaldo Arancibia and Kai Strunz,
% “Modeling of an electric vehicle charging station for fast DC charging,”
% in IEEE International Electric Vehicle Conference, 2012, pp. 1-6.
%_____________________________________________________________________
clc
clear
close all
% Input Parameters
Vgrid = 433 % Line to Line Secondary Voltage (V) of Transformer
fgrid = 50 % Supply frequency in Hz
fsw = 5000 % Samping frequency
T = 1/50 % Period of AC voltage waveform (Sec)
Kload = 1.1 % Overload factor to cover overloading in transients
mmin = 0.125 % EV battery charger minimum modulation index
Vbatmin = 200 % Minimum voltage of EV battery (V)
cosphi = 0.95 % Power factor
nslot = 10 % Number of charging slots available for individual EVs
PEV = 90000 % Maximum power rate of an individual EV (W)
delx = 20 % Allowable DC bus voltage range of change, in percent, during transients
delr = 10 % DC power range of change, in percent, during transients
n = 0.5 % It is a multiple of T
ma = 0.8 % Inverter modulation index
RAF = 0.2 % Ripple Attenuation Factor, normally around 20 percent
THD = 0.01 % Total Harmonic Distortion, considered 1 percent.
% Design Calculations
disp('Design Calculations')
disp('For complete code contact details are provided at the start of the script')
% Results
Srated_calculated = 1.0421e+06
Vdc_upper_limit = 1600
disp('Vdc should be less than or equal to this value in volts')
Cdc = 0.0044
Linv = 2.8413e-04
Cf_calculated = 8.9132e-04
disp('It should be less than or equal to this calculated value')
Lgrid = 4.2918e-05
fres_calculated = 873.6794
disp('It should be verified that resonance frequency should be in the range of less than half of the fsw and 10 times bigger than the grid frequency')
Rd = 0.0917
L = 3.2705e-04

引用格式

Sachin Wagh (2025), "Design, Modeling and Simulation of an Electric Vehicle (EV) Charging Station for Fast DC Charging ensuring Quality Power Exchange (V2G and G2V mode) (https://www.mathworks.com/matlabcentral/fileexchange/<...>), MATLAB Central File Exchange. Retrieved March 9, 2025.

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版本 已发布 发行说明
1.0.1

This work presents a smart compactible integration of EV with the distribution grid assuring power quality. Design guidelines and modeling are explained in an educational way to support implementation in
MATLAB/Simulink.
1.0.0