The doubly fed induction generator (DFIG) received recently an important consideration in medium and high power wind energy conversion systems integration, due to its advantages compared to other generators types. The stator power sliding mode control (SPSMC) proves a great efficiency judge against other control laws and schemes. In the SPSMC laws elaborated by several authors, just the slide surface tracking conditions are elaborated using Lyapunov functions, and the boundedness of the DFIG states is never treated. Some works have validated theirs approaches by experiments results in case of specified machines and steady-states points, but these verifications stays insufficient to generalize to other machines and steady-states points range. Adding to this argument, the DFIG states boundedness demonstration is widely suggested in goal to ensure that in the application of the SPSMC, the states evaluates within theirs tolerable bounds. Our objective in the present paper consists to highlight the efficiency of the SPSMC by stability analysis. The boundedness of the DFIG states such as the stator powers and rotor flux is discussed. Moreover, the states trajectories are finding using analytical proves taking into consideration the SPSMC gains.


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    Title :

    Stability analysis of DFIG stator powers control based on sliding mode approach


    Contributors:


    Publication date :

    2014-03-01


    Size :

    253391 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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