This paper presents an active islanding detection method based on injecting adaptive active current disturbance according to the amplitude of the voltage at the point of common coupling (PCC) detected after islanding occurred to reduce the disturbance on the inverter's output current. According to the amplitude of the voltage of PCC detected after islanding, the resistance value of the load can be obtained. Then the relationship between the minimum active disturbance current which can trigger islanding protec…
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