Bifurcation Analysis on Voltage of Power System with Doubly Fed Induction Generator

doi:10.11930/j.issn.1004-9649.2014.3.42.5

Abstract

Abstract: The power flow of the grid will be changed by the wind power connected with it. For studying its impact on voltage stability,a dynamic model is built for wind power system with doubly fed iduction generator(DFIG), and a new approach to deal with the rotor control voltage of DFIG is proposed, in which DFIG's steady state rotor control voltage is used as rotor control voltage and this value is changed with the change of state of system. The equilibrium solution manifold of power system is tracked under variable load parameter, the influence of load parameter on wind power system is analysed based on bifurcation theory. The simulation showed that the difference of voltage stability analysis between different wind turbine model, and the proposed new approach is feasible.

Key words: DFIG, wind power system, bifurcation theory, dynamic voltage stability, continuation method

CLC Number:

TM711

YUAN Yi-tao, KANG Ji-tao, WU Xiao-gang, LI Ya-hui. Bifurcation Analysis on Voltage of Power System with Doubly Fed Induction Generator[J]. Electric Power, 2014, 47(3): 42-47.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.2014.3.42.5

https://www.electricpower.com.cn/EN/Y2014/V47/I3/42

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