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An Active Anti-Islanding Method Based on Phase-PLL Perturbation

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4 Author(s)
David Velasco ; Grupo de Sistemas Electrónicos Industriales del Departamento de Ingeniería Electrónica , Universidad Politécnica de Valencia, Valencia, Spain ; Cesar Trujillo ; Gabriel Garcera ; Emilio Figueres

This paper presents a new active anti-islanding detection method for distributed power generation systems. This method is based on introducing a disturbance at the inverter output and observing the behavior of the voltage at the point of common coupling (PCC), which depends on the impedance connected to the PCC in an islanding situation. The islanding detection is based on the Goertzel algorithm.

Published in:

IEEE Transactions on Power Electronics  (Volume:26 ,  Issue: 4 )