Abstract
This article deals with the prosumer behavior, specifically on an on-grid electrical network that is connected to a larger synchronous electrical network, as well as an off-grid system. In the Simulink (Matlab) application, two models were constructed for this purpose. The modeling of the operation of the electrical network’s on-grid system takes place in one of the models. The simulation of the operation of the electrical network’s off-grid system takes place in the other. We examined the model’s behavior in the provided simulated period from the standpoint of transient states and qualitative indicators of electrical energy under various connection configurations in both systems. The simulations resulted in the possibility of incorporating new sources of energy accumulation, such as pumped storage hydropower plants based on energy storage systems (ESSs), and modifying the model to the user’s needs.
Highlights
The behavior of prosumers and an electrical grid connected to a larger synchronous grid, as well as an off-grid grid system, is examined in this article
This paper describes the operation of the off-grid model and on-grid system created in
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Summary
The behavior of prosumers and an electrical grid connected to a larger synchronous grid, as well as an off-grid grid system, is examined in this article. The power system is becoming more complex than in previous periods, due to the integration of multiple Distributed Generation Resources (DGRs) and the rapid growth of power electronic devices (PEDs) [1,2]. A majority of power generators in a common power system are of the synchronous type, which increases the rotational inertia in an electric power system. The share of synchronous generators is decreasing in power networks where DGRs are widely used [3]. DGRs are installed at low voltage levels in the distribution system, which might increase the amount of fault current [9]. As a result, using DGRs in a small-scale power network might cause issues with transient stability, frequency responsiveness, fault elimination, voltage response, load capability and system control [10]
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