期刊
IEEE TRANSACTIONS ON POWER SYSTEMS
卷 24, 期 3, 页码 1346-1355出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2009.2023260
关键词
Capability curve; converter ratings; DIgSILENT; doubly fed induction generator (DFIG); FERC regulation; optimal power flow; system dynamics; wind energy
资金
- Power System Engineering Research Center (PSERC)
- Electric Power Research Center (EPRC) [TPWRS00698-2008]
This paper discusses the impact of utilizing the capability curve of a doubly fed induction generator (DFIG) based wind park on steady state and dynamic power system operation. The interconnection requirements set forth by FERC in order 661-A mandate the operation of wind parks within a power factor range of 0.95 leading and lagging. This operation drastically underutilized the reactive output of the machine. The results presented demonstrate that committing the full reactive capability of a DFIG park for generation dispatch produce a significant reduction in system losses. This additional reactive support was also found to improve post-fault voltage profiles by damping oscillations and preventing overshoots immediately after being subjected to a disturbance. This utilization of extended reactive limits in voltage control may prevent system collapse.
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