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A significant factor for properly designing the protection scheme of a microgrid is the fault current contribution from the converter-interfaced distributed energy resources (CI-DERs). The fault current direction and magnitude is difficult to be defined, since the currents injected by the CI-DERs affect it considerably. The fault situation is even more complicated, considering the case of islanded...
A decentralized control method for photovoltaic (PV) inverters in low-voltage feeders with domestic loads and PV systems is proposed, with which the voltage profile along the feeder is kept within the limits specified by the EN 50160 standard and the branch currents in the feeder are kept below the thermal limit at all possible operating conditions of the load, the PV generation or the voltage fluctuations...
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