Abstract
The electric vehicle (EV) is one of the most important and common parts of modern life. Recently, EVs have undergone a big development thanks to the advantages of high efficiency, negligible pollution, low maintenance, and low noise. Charging stations are very important and mandatory services for electric vehicles. Nevertheless, they cause high stress on the electric utility grid. Therefore, renewable energy-sourced charging stations have been introduced. They improve the environmental issues of the electric vehicles and support remote area operation. This paper proposes the application of fuzzy control to an isolated charging station supplied by photovoltaic power. The system is modeled and simulated using Matlab/Simulink. The simulation results indicate that the disturbances in the solar insolation do not affect the electric vehicle charging process at all. Moreover, the controller perfectly manages the stored energy to compensate for the solar energy variations. Additionally, the system response with the fuzzy controller is compared to that with the PI controller. The comparison shows that the fuzzy controller provides an improved response.
Highlights
Electric vehicles (EVs) have been replacing the traditional internal combustion engine (ICE) vehicles [1,2]
A novel fuzzy proportion integral derivative (PID) controller was proposed for an isolated electric vehicle (EV) charging station supplied from a PV panel
It was shown that the conventional PID controller is not the best choice for the system response, due to the system complexity and the frequently varying setpoint of the proposed system as the solar insolation level varies normally
Summary
Electric vehicles (EVs) have been replacing the traditional internal combustion engine (ICE) vehicles [1,2]. The fastest charging technique is DC charging, which can be accomplished in a few minutes [3,4] It causes a large electrical load in a short time that has negative effects on the utility grid. In Reference [13], a high-power biogas EV charging station was introduced and designed. In Reference [19], a new power management technique was proposed to serve small EVs in remote areas. These controllers are stable, simple, reliable, and easy to tune They have many problems, such as high overshoot, and their performance depends on the setpoint [23]. A novel fuzzy PID controller is proposed for an isolated EV charging station supplied from a PV panel.
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