Abstract-A single-phase active power filter is presented for small-scale, single-phase loads based on the second-order generalized integrator control method is presented in this article. The proposed system does not require voltage sensors on the AC and/or DC side. Only two current sensors are used to measure load and converter currents. Consequently, a proportional-integral regulator is not used, and there is no need for additional calculations for the determination of the grid-current amplitude. To obtain the correct reference grid current, the distorted load current is first processed by using the second-order generalized integrator algorithm, which does not require voltage information. A step-by-step performance study, in a real-time environment, shows that the proposed control technique is able to generate the proper compensating reference current for small-scale non-linear loads. As a result, the total harmonic distortion of the grid current is reduced from 25.33 to 3.80%, which meets the recommended IEEE 519-1992 Standard.


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    Title :

    Voltage Sensorless Control of Single-phase Active Power Filter Based on the Second-order Generalized Integrator Algorithm




    Publication date :

    2015




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    53.33 / 53.33 Elektrische Maschinen und Antriebe





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