Title :
Analysis of three phase grid failure and Doubly Fed Induction Generator ride-through using crowbars
Author :
Lohde, Ralf ; Jensen, Simon ; Knop, André ; Fuchs, Friedrich W.
Author_Institution :
Christian - Albrechts - Univ. of Kiel, Kiel
Abstract :
Doubly Fed Induction Generators (DFIG) are nowadays widely used in variable speed wind power plants. The behaviour of these machines during grid failure is an important issue, since in case of under voltage of the mains it is not allowed to simply disconnect the turbine but it is mandatory that it keeps on delivering power to the mains supply system. To protect the rotor side converter, a crowbar at the rotor has to be switched on. The performance of an active crowbar during voltage dips is investigated for several parameter sets of machine, resistor and control.
Keywords :
asynchronous generators; power grids; wind power plants; wind turbines; active crowbar; doubly fed induction generator; rotor side converter; three phase grid failure; variable speed wind power plants; voltage dips; wind turbine; Failure analysis; Induction generators; Power system protection; Power system stability; Resistors; Switching converters; Turbines; Voltage control; Voltage fluctuations; Wind energy; Doubly fed induction motor; Fault handling strategy; Wind energy; Wind generator system;
Conference_Titel :
Power Electronics and Applications, 2007 European Conference on
Conference_Location :
Aalborg
Print_ISBN :
978-92-75815-10-8
Electronic_ISBN :
978-92-75815-10-8
DOI :
10.1109/EPE.2007.4417685
