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Self-healing is a prominent characteristic of smart grid. Self-healing technique is the important guarantee to implement the smart grid, also is the support of achieve the secure operation. Through searching many domestic and foreign self-healing control techniques, combining the definition of smart grid, the paper analyzes the basic theories and techniques to achieve self-healing of power system...
This paper presents a discussion on the control techniques required for microgrid operation and implements a simple control strategy in a microgrid model realized with Matlab. The modeling and control strategy are kept elementary. This is done in order to use developed model for teaching and student training purpose for power system curriculum in undergraduate courses. The model is helpful in introducing...
The amount of distributed energy resources (DER) in the grid is continually increasing, and the potential benefits and drawbacks are becoming clearer. However, there is still a lack of clarity in how these multiple effects interact and which trade-offs should be made in the integration of new DER. There is a clear need for appropriate DER planning tools in the current market environment, in which...
Due to the rapid increase in global energy consumption and the diminishing of fossil fuels, the customer demand for new generation capacities and efficient energy production, delivery and utilization keeps rising. Utilizing distributed generation, renewable energy and energy storage can potentially solve such problems as energy shortage and global warming. A promising structure to interconnect these...
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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