A type of peak-value dc voltage control (denoted as PK control) was proposed in the literature for supporting the use of a smaller dc-side capacitance when the single-phase Voltage Source Converter (VSC) is operated as a Static Synchronous Compensator (STATCOM). Although it was demonstrated to operate stably under several conditions, it will be revealed in this paper how the PK control will suffer from a more severe small-signal stability issue under non-ideal grid conditions than the conventional method of controlling the average-value of the dc voltage (denoted as Avr control). Especially, it will be shown how the PK control is sensitive to some of the control parameters. To obtain these results, a parameter-oriented stability analysis method is developed in the linear-time periodic (LTP) framework. Then, it is utilized for parametric stability assessments of the Avr and PK control. Finally, both frequency- and time-domain experimental results verified the effectiveness and accuracy of the applied method in the presented analysis.


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    Title :

    Parametric Stability Assessment of Single-phase Grid-tied VSCs Using Peak and Average dc Voltage Control


    Contributors:

    Publication date :

    2021-01-01


    Remarks:

    Zhang , C , Isobe , T , Suul , J A , Dragicevic , T & Molinas , M 2021 , ' Parametric Stability Assessment of Single-phase Grid-tied VSCs Using Peak and Average dc Voltage Control ' , IEEE Transactions on Industrial Electronics , vol. 69 , no. 3 , pp. 2904 - 2915 . https://doi.org/10.1109/TIE.2021.3068551



    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Classification :

    DDC:    629



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