Power quality improvement using DVR in power system

Prakash, Y.; Sankar, S.

doi:10.1109/pestse.2014.6805250

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2023

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Cited by 17 publications

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“…With developments in the power industry, the increasing diversity and unbalanced disturbances of the load conditions necessitate the use of local voltage stabilisers, called dynamic voltage restorers (DVR), at the critical grid buses to ensure reliable power supply [1,2].…”

Section: Introductionmentioning

confidence: 99%

AC Voltage Sag-Swell Compensator based on Unified NonInverting and Inverting Output Voltage AC Chopper

Holliday¹,

Williams²

2016

8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016)

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This paper proposes a unified AC chopper topology that can generate both non-inverting and inverting AC voltages. It is therefore suitable for compensating utility voltage sag-swell in domestic consumer and industry infeeds. The proposed converter is able to save on the passive device footprint and improve dynamic performance compared to other similar candidates. The topology derivation, operating principle and performance evaluation are analysed in this paper. Simulation results are presented to assess the proposed scheme with inphase and out-phase AC voltages generated from a fixed grid input to compensate the voltage sag-swell disturbances in the utility.

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Section: Introductionmentioning

confidence: 99%