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Plug & play operation of distributed energy resources in micro-grids

Plug & play operation of distributed energy resources in micro-grids,10.1109/INTLEC.2010.5525692,Paolo Tenti,Alessandro Costabeber,Daniela Trombetti,P

Plug & play operation of distributed energy resources in micro-grids   (Citations: 2)
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Smart grids offer a new wide application domain for power electronics. In fact, every distributed energy resource includes an electronic power processor to govern the power exchange with the grid. Such energy processors must perform cooperatively to fully exploit renewable energy sources and improve power quality and distribution efficiency. This is particularly important in low-voltage residential micro-grids, where number of active energy sources and generated power vary during daytime. A simple and effective control solution, based on a plug & play approach, is presented in the paper. It allows independent and stable operation of every EPP while providing full utilization of energy sources and reduction of distribution losses. Accordingly, residential micro-grids may perform efficiently, adapt to supply and load variations and turn automatically from grid-connected to islanded operation.
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    • ...This paper further analyzes the cooperative control approach presented in [11,12] where every EPP communicates, at low bit rate, with neighbor units only...
    • ...As shown in [11, 12], they can be minimized by proper control of the voltages and currents impressed at the nodes where DERs connect to the grid (active nodes)...
    • ...2. EPP reactive currents are set to minimize the distribution losses while performing voltage support [11, 12]...
    • ...Compared to [11,12], the analysis is focused on a double fed distribution grid...

    Alessandro Costabeberet al. Surround control of distributed energy resources in micro-grids

    • ...Distributed control and communication architectures [4-7] shall be developed to allow efficient utilization of distributed energy resources while ensuring power quality and network stability [8,9]...
    • ...This will be possible by upgrading dispatchers’ capability in mediumvoltage distribution grids [10], while different solutions shall be devised for low-voltage residential micro-grids [11,12], where a proliferation of small energy sources with limited control and communication capability is expected...

    Paolo Tentiet al. Improving power quality and distribution efficiency in micro-grids by ...

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