Abstract
Several efforts need to be performed in transportation and energy production to mitigate the current environmental issues that are related to fossil fuel use. The implementation of DC microgrids and the use of electric vehicles seem to be an adequate solution. However, various technical challenges have to be addressed, like grid stability issues. Thus, this case report assesses the impact of an electric vehicle load in a DC microgrid, subject to nonlinear control theory. The EV battery pack is modeled and simulated. Subsequently, it is included as a load in an available model of nonlinear control of DC microgrids. The results demonstrate high stability with this new load and the feasibility of its implementation.
Highlights
Microgrids received beneficial interest a few years ago
A microgrid could be described as a cluster of loads, distributed generation (DG), and energy storage systems (ESSs) operated in conjunction to provide electricity securely and linked to the host power system at the distribution level at the Point of Common Coupling (PCC) [2]
A boost converter was selected for the DC/DC converter, which is composed of three phases and it includes six switches connected in parallel
Summary
Microgrids received beneficial interest a few years ago They have significant benefits for the electrical grid and the energy users by using distributed generation (DG) and energy storage systems (ESSs). Some ESS examples include electric batteries, supercapacitors, thermal storage, and flywheels. These are the primary microgrid components, and the main answer for rural areas without primary grid connectivity is considered [4]. The supercapacitor and electric battery work as storage for the generation from the PV that is not consumed, but they allow for mitigating disturbances due to transients. The switches could be independently controlled by three different duty cycles
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