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Considering the rising penetration of diverse types of renewable generating units (RGUs) in modern electricity networks, the active and reactive power management and the coordination of RGUs with different operating states can be intricate. Specifically, the RGUs may not be always allowed to operate with their maximum generation capacity, as they are committed to provide reactive power support to the grid during both normal and emergency conditions. In that case, the optimal control setpoints can be assigned to the RGUs, such that the voltages can be maintained within an acceptable range, the power losses can be minimized and the inherent uncertainties of renewables can be addressed. In this paper, a power management system is designed for the optimal allocation of the active and reactive power flow through the network, and to provide the voltage management locally, considering the service provider's requirements. Particularly, a combined local/centralized control system is implem

Active and reactive power controlRid following inverterOss minimizationLoss sensitivityNetwork congestionPtimum setpointsVoltage control