Publication Type:

Journal Article

Source:

Advanced Research in Electrical and Electronic Engineering, Volume 1, p.15-21 (2014)

URL:

http://www.krishisanskriti.org/vol_image/03Jul2015040750Paper%204.pdf

Abstract:

Unified Power Quality Conditioner is a versatile custom power device which mitigates voltage and current related Power Quality issues in distribution system. Modified UPQC topology dealt in this which uses a common DC link voltage for both series and shunt active filter, thus overcoming the need for capacitor voltage balancing in conventional UPQC topology. In this topology, interfacing inductor of shunt active filter is connected in series with a capacitor. The fourth leg of the VSI is connected to negative terminal of DC link and thus eliminates the requirement of fourth leg of VSI. Switching signals are generated using hysteresis band current controller and Icos ɸ algorithm for the operation of UPQC. The performance of modified UPQC topology with hysteresis band current controller and Icosɸ algorithm has been analyzed and comparison has been done using Matlab/simulink.

Cite this Research Publication

C. Harikrishn Teja and K. Ilango, “Power Quality Improvement of Three Phase Four Wire System using Modified UPQC Topology”, Advanced Research in Electrical and Electronic Engineering, vol. 1, 5 vol., pp. 15-21, 2014.

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