LCL filter can improve the output current of the shunt active power filter. The paper proposes a resonant LCL filter structure with a LC high-frequency filter branches adding to LCL filter with damping resistor. By LC resonance effect, the switching frequency harmonics are filtered more efficiently and the loss of the system is reduced. The paper also builds the system modeling and analyzes the stability of the grid filter with the deadbeat control, then gives parameter selection methods and simulates with PSCAD/EMTDC. All these are verified through the experiments on a 70-KW shunt APF prototype using deadbeat controller.


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    Title :

    Study of a new grid-connected LCL filter for shunt active power filter


    Contributors:
    Wang, Yi (author) / Liu, Jian-zheng (author) / Xu, Xing-Tao (author)


    Publication date :

    2014-08-01


    Size :

    736204 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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