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One of the main issues related to the integration of Distributed Generation (DG) in the utility grid is safety. The protection schemes of distribution systems are usually designed under the assumption that power flows from distribution system to end users. If a fault takes place and a breaker opens, all circuits downstream will be deenergized. However, this is not the case when a DG is used, and it...
The growth in the demand for electric power is increasing stress on the existing grid infrastructure. Power utilities today require methods to provide dynamic grid control due to the increased penetration of renewable energy resources and increase in consumption of electricity. FACTs devices provide one possible solution. High cost and low reliability of these devices has impeded widespread use. A...
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...
Wind energy conversion systems have become a focal point in the research of renewable energy sources. Due to rapid advances in the size and power rating of wind generators as well as development of power electronics. These electrical utilities generate and provide energy in AC form. As the wind energy to electrical power conversion is rather expensive we concentrate on efficiency increase inside electrical...
In the last years the power system industry is rapidly changing. The traditional centralized systems, which grew as a result of large-scale integration, are going to be replaced by the dispersed or distributed generation that is situated closer to the consumers. The future power supplying will be done by the combination of well-established central power networks and micro grids (MG), with the maximal...
Increasing electric power consumption cause transmission lines to beyond their transfer capacities resulting in overloaded lines and congestions. A flexible AC transmission system (FACTS) in a power system improves the stability, reduces total losses and cost of generation and also improves loadability of the system by controlling power flows and bus voltages. The focus in this paper is using static...
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