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A new active $Q$–$f$ droop anti-islanding (AI) algorithm is proposed. The method is based on frequency and reactive power cross-correlation measures. The proposed control technique is intended to fulfill recent and future grid code requirements. The algorithm looks for a zero nondetection zone, adding low disturbances, working with long frequency excursions and nondependence of the power factor setpoint...
Power converters are the basic unit for transient voltage fault ride through capability for most renewable distributed generators. When a transient fault happens, the grid voltage will drop suddenly, and probably, will also suffer a phase-jump event also. State of the art voltage fault control techniques regulate the current injected during the grid fault. However, the beginning of the fault could...
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