Title :
Impact of DFIG-based wind farm on transient stability of single machine infinite bus system
Author :
Qing Wang ; Ancheng Xue ; Tianshu Bi ; Yuanjie Zheng
Author_Institution :
State Key Lab. of Alternate Electr. Power Syst. with Renewable Energy Source, North China Electr. Power Univ., Beijing, China
Abstract :
With the increasing penetration of DFIG-based wind power into the power grid, its effects on synchronous generators in power system become extremely prominent. In the paper, the simplified model of a modified single machine infinite bus (SMIB) system with a DFIG-based wind farm integrated is well studied considering the transient characteristics of the DFIG-based wind farm in the different period of a fault, and the transient stability of the modified SMIB system is analyzed theoretically based on equal-area criterion (EAC) and assessed quantificationlly by using the index of critical clearing time (CCT). The analysis indicates that the performance of synchronous generator can be either improved or deteriorated when DFIG-based wind power are integrated into the system and the stability will decrease as the capacity increases. The effectiveness of the analysis is verified by simulation.
Keywords :
asynchronous generators; equivalent circuits; power grids; power system stability; synchronous generators; transient analysis; wind power plants; CCT; DFIG-based wind farm; DFIG-based wind power; EAC; SMIB system; critical clearing time; equal-area criterion; power grid; power system; single machine infinite bus system; synchronous generators; transient stability; Power system stability; Stability criteria; Synchronous generators; Transient analysis; Wind farms; DFIG-based Wind Farm; Equal area Criterion; Power System; Power angle Relationship; Transient Stability;
Conference_Titel :
Power and Energy Engineering Conference (APPEEC), 2013 IEEE PES Asia-Pacific
Conference_Location :
Kowloon
DOI :
10.1109/APPEEC.2013.6837199
