TITLE:
Small Signal Stability Analysis for a DFIG-Based Offshore Wind Farms Collected Through VSC-HVDC Transmission System
AUTHORS:
Kai Liao, Zhengyou He, Bin Sun, Yong Jia
KEYWORDS:
DFIG; Offshore Wind Farm; VSC-HVDC; Small Signal Stability
JOURNAL NAME:
Energy and Power Engineering,
Vol.5 No.4B,
October
17,
2013
ABSTRACT: This paper modeled a doubly fed induction generator (DFIG) - based offshore wind farm integrated through a voltage source converter –based high voltage direct current (VSC-HVDC) transmission system, which is collected with infinite bus for small signal stability analysis. The control system of HVDC system is considered for the stability analysis. The impact of the VSC control parameters on the network stability is studied. The lineared dynamic model is employed to do small signal stability analysis by the eigenvalue analysis. The locus of the eigenvalue, which is corresponding to the oscillation model is studied. Time domain simulations conducted in Matlab/Simulink are used to validate the small signal stability analysis.