Title :
New method for islanding detection of wind turbines
Author :
Kargar, H. Kazemi ; Mirzaei, J.
Author_Institution :
Dept. of Electr. Eng., Shahid Beheshti Univ., Tehran
Abstract :
In this paper, a new method for islanding detection of windfarms, based on ROCOF relay is developed. The method is suitable for islanding detection of induction generators used in wind farms. The new method uses the derivation of frequency and its changing in time domain. After islanding is detected, the capacitor bank connected to the wind turbine bus reduces. As a result the voltage at bus drops immediately and under voltage relays issue a trip for disconnecting the windfarm from the bus. The new method is approved by a simulation results of a windfarm located in Iran.
Keywords :
asynchronous generators; distributed power generation; power capacitors; time-domain analysis; wind power plants; wind turbines; Iran; capacitor bank; frequency derivation; induction generators; islanding detection; time domain; voltage relays; wind farms; wind turbines; Capacitors; Distributed power generation; Frequency; Induction generators; Mesh generation; Power engineering and energy; Relays; Voltage; Wind energy generation; Wind turbines; Islanding Detection; ROCOF Relay; Windfarm; Windturbine;
Conference_Titel :
Power and Energy Conference, 2008. PECon 2008. IEEE 2nd International
Conference_Location :
Johor Bahru
Print_ISBN :
978-1-4244-2404-7
Electronic_ISBN :
978-1-4244-2405-4
DOI :
10.1109/PECON.2008.4762741
