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A Scheme of Dynamic Voltage Restorer to Improve Power Quality in Large Scale Industrial Enterprises

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DOI: 10.4236/jpee.2016.42003    3,413 Downloads   3,781 Views  

ABSTRACT

Loads in large scale industrial enterprises are always various and complex, causing insecure power quality. Meanwhile, some sensitive loads or precise instruments demand for high power quality. When voltage flicker or harmonics occurs, dynamic voltage restorer (DVR) can be used to stabilize the load-side voltage, which is a good manner of improving power quality. The paper explains the load demand in large scale industrial enterprises, analyzes several common voltage compensation scheme of DVR, and comes up with another voltage compensation scheme of DVR applied for double power supply with double load. A Simulink model according to the new scheme is also built in MATLAB/Simulink to test its performance. Simulation results show that the proposed scheme can guarantee the load-side voltage stability, which is an effective scheme for managing power quality.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Shi, S. , Xiao, J. , Liu, S. , Tu, L. , Cao, Q. , Liang, Y. , Zhang, G. and Mao, C. (2016) A Scheme of Dynamic Voltage Restorer to Improve Power Quality in Large Scale Industrial Enterprises. Journal of Power and Energy Engineering, 4, 19-26. doi: 10.4236/jpee.2016.42003.

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