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Power Systems (PS), have been affected by substantial penetration of Distributed Generation (DG) and the operation in competitive environments. The future PS will have to deal with large-scale integration of DG and other distributed energy resources (DER), such as storage means, and provide to market agents the means to ensure a flexible and secure operation. Virtual power players (VPP) can aggregate...
A microgrid power system is required to be controlled by electric power energy flowing through the interconnected power line that connects the microgrid and a large power system. Load dispatch for power sources in the microgrid is required, but large scale SCADA is not anticipated. This paper proposes an application of a mobile agent technology for the electric power output control. The reason is...
Microgrids may be a prospective power system that addresses the renewable energy technologies (RET) accompanying necessary growing deployment of distributed energy resources (DER), especially small-scale combined heat and power (CHP) and small-scale renewable energy sources (RES). This article introduces the RET expected to be applied in the microgrids system depending on the RES. The RET include:...
Distributed generators (DGs) that use renewable energy sources have an unstable output and this can negatively affect existing electric power systems. To reduce this impact, we developed an energy control system for controlling the output from individual DGs that were installed in a microgrid. Controlling the DGspsila outputs enabled the power fluctuation at the point where the microgrid was connected...
This paper describes an approach to hierarchical integration of DC and AC microgrids containing distributed energy resources (DERs) into the existing electric power distribution infrastructure. Power electronic interfaces and controls permit the aggregated units at each level to represent themselves to a higher level as a single self-controlled entity (DC or AC, load or generator). At the top level...
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