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An Optimised Control Strategy for Voltage Sag Compensation using DVR


Emmadi Sangeetha , DRK Institute of Science and Technology, Hyderabad, T.S., India. ; Srividya Baleboyina, DRK Institute of Science and Technology, Hyderabad, T.S., India.


Dynamic voltage restorer (DVR), voltage phase jump compensation, voltage sag compensation, voltage source inverter (VSI)


This paper manages enhancing the voltage nature of delicate burdens from voltage droops utilizing a dynamic voltage restorer (DVR). The higher dynamic power prerequisite connected with voltage stage hop pay has created a generous ascent in size and cost of the dc interface vitality stockpiling arrangement of DVR. The current control systems either moderate the stage bounce or enhance the use of dc connection vitality by the accompanying: 1) lessening the sufficiency of the infused voltage or 2) improving the dc transport vitality bolster. In this paper, an upgraded hang pay system is proposed, which mitigates the stage hop in the peak voltage while enhancing the general droop remuneration time. An explanatory study demonstrates that the proposed technique fundamentally builds the DVR droop bolster time (more than half) contrasted and the current stage hop pay strategies. This upgrade can likewise be viewed as a significant lessening in dc interface capacitor measure for new establishment. The execution of the proposed strategy is assessed utilizing re-enactment consider lastly confirmed tentatively on a scaled lab prototype.

Other Details

Paper ID: IJSRDV4I80335
Published in: Volume : 4, Issue : 8
Publication Date: 01/11/2016
Page(s): 468-474

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