Title :
Performance comparison of fixed-speed and doubly-fed induction generator under torsional oscillations
Author :
Badrzadeh, Babak ; Salman, S.K.
Author_Institution :
Sch. of Eng. & Built Environ., Robert Gordon´´s Univ., Aberdeen, UK
Abstract :
The contribution of the grid-connected fixed-speed induction generator (FSIG) as well as the doubly-fed induction generator (DFIG) to the power system oscillation damping is presented in this paper. Adopting the torque-to-current electromechanical analogy, the mechanical analogous model of both FSIG and DFIG is developed to provide a basis for the comparison of the respective damping contributions. Additionally, the significance of the detailed representation of rotor- and stator-side converters as well as the adequate model of the DC-link components of a grid-connected DFIG is discussed and validated against simulation results.
Keywords :
asynchronous generators; damping; oscillations; power grids; torque; doubly-fed induction generator; fixed-speed induction generator; mechanical analogous model; power system oscillation damping; rotor-side converter; stator-side converter; torque-to-current electromechanical analogy; torsional oscillation;
Conference_Titel :
AC and DC Power Transmission, 2006. ACDC 2006. The 8th IEE International Conference on
Conference_Location :
IET
Print_ISBN :
0-86341-613-6