Influence mechanism of doubly fed induction generator on power system transient stability

被引：0
|
作者：
Liu S. [1 ]
Li G. [1 ]
Zhou M. [1 ]
机构：
[1] State Key Laboratory of Alternate Electrical Power System With Renewable Energy Sources, North China Electric Power University, Changping District, Beijing
来源：
Dianwang Jishu/Power System Technology | 2016年 / 40卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Doubly fed induction generator; Influence mechanism; Power system; Transient angle stability; Transient voltage stability;
D O I：
10.13335/j.1000-3673.pst.2016.02.020
中图分类号：
学科分类号：
摘要：
In this paper, electromagnetic characteristic dominated excitation process and power-angle characteristic lacked transient response of doubly-fed induction generator (DFIG) are analyzed, based on which essential difference of transient behavior between DFIGs and synchronous generators is investigated. Influence mechanism of DFIG on power system transient stability is that DFIG behaves like a nonlinear power source during system transient process, affecting power system transient angle stability and transient voltage stability through its transient power characteristic. Simulations on PSCAD/ EMTDC verify the analysis. It is revealed that system transient angle stability is influenced as power output of synchronous generators and system inertia changes with DFIG integration; and system transient voltage stability is affected by reactive power compensation capability of DFIGs, which also exerts non-negligible influence on system transient angle stability by affecting synchronous generator power response. © 2016, Power System Technology Press. All right reserved.
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页码：471 / 476
页数：5
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