Results 11 to 20 of about 290 (157)

Grid-Connected Rectifier Based Dynamic Voltage Restorer To Improve Power Quality By Compensating Voltage Sag And Swell [PDF]

open access: yesE3S Web of Conferences, 2021
Voltage sag and voltage swell are frequently occurred power quality problems in present power distribution system, which are cause more problems to avoid these problems and maintain constant voltage at sensitive load during sag and swell Dynamic voltage ...
Thota Someshwara   +3 more
doaj   +1 more source

Voltage Sag Enhancement By DVR Based On PQ Theory Using LabView

open access: yesNTU Journal of Engineering and Technology, 2022
The voltage sag condition in the power system has a direct effect on the quality of the power system quality. Voltage sag has a major effect on sensitive-voltage loads, causing a high inrush current, failure in the system, and price loss.The Dynamic ...
ibrahim furat   +2 more
doaj   +1 more source

Dynamic Voltage Restorer (DVR) For Protecting Hybrid Grids

open access: yesCoRR, 2020
Dynamic Voltage Restorer (DVR), for some important reasons, is utilized in Power Distribution for protecting loads especially critical loads against some power quality issues like sag, swell, harmonics and faults. Fast transient response for compensating voltage quality is an unavoidable factor.
Khodakhast Nasiriani, Mohsen Pasandi
openaire   +2 more sources

Improved dynamic voltage restorer with reduced capacity of power inverter and energy storage for voltage sag mitigation

open access: yesIET Power Electronics, 2021
As one of the most representative series active compensators, dynamic voltage restorer (DVR) can solve voltage‐related power quality uses effectively. The in‐phase voltage control and energy‐optimised control are the two typical control strategies of DVR.
Qi Guo   +5 more
doaj   +1 more source

A Novel Solar Photovoltaic Fed TransZSI-DVR for Power Quality Improvement of Grid-Connected PV Systems

open access: yesIEEE Access, 2021
In this article, a new solar PV fed Dynamic Voltage Restorer (DVR) based on Trans-Z-source Inverter (TransZSI) is proposed to improve the power quality of on-grid Photovoltaic (PV) systems.
Ali Moghassemi   +4 more
doaj   +1 more source

PQ Improvement by Moderation of Multi-Level Inverter Controlling Techniques and Intensifying the Performance of DVR

open access: yesAdvances in Electrical and Electronic Engineering, 2015
A novel control scheme is proposed for the enhancement of Dynamic Voltage Restorer (DVR) performance. In this paper, the moderation of inverter controlling techniques has been adopted to intensify the DVR characteristics and thereby to improve the Power ...
Vinay Kumar Awaar   +2 more
doaj   +1 more source

Power quality improvement using dynamic voltage restorer (DVR)

open access: yesi-manager’s Journal on Electrical Engineering, 2022
This paper presents power quality issues, and ways to resolve these problems. There are a number of custom power devices which are used to resolve these issues. The Dynamic Voltage Restorer (DVR) is a special device that is used nowadays. To detect the voltage drop system, park transform is utilized and applied to the voltage regulator as a control ...
Agrahari Anil   +3 more
openaire   +2 more sources

UKF based estimation approach for DVR control to compensate voltage swell in distribution systems

open access: yesAin Shams Engineering Journal, 2018
The Dynamic Voltage Restorer (DVR) is identified as the best solution for mitigation of voltage sag and swell related problems in the much taped distribution system. The compensation performance of the DVR very much depends on its control algorithm.
P. SasiKiran, T. Gowri Manohar
doaj   +1 more source

Maximum efficiency of wind energy using novel Dynamic Voltage Restorer for DFIG based Wind Turbine

open access: yesEnergy Reports, 2018
Fault-tolerable capability of Doubly Fed Induction Generator (DFIG) against disturbance occurrence is recognized as Fault Ride-Through (FRT). With quick and accurate compensation potentiality of Dynamic Voltage Restorer (DVR) to retrieve the nominal PCC ...
Ali Darvish Falehi, Mansour Rafiee
doaj   +1 more source

Dynamic Voltage Restorer (DVR) for Voltage Sag Mitigation

open access: yesInternational Journal on Electrical Engineering and Informatics, 2011
The Dynamic Voltage Restorer (DVR) is fast, flexible and efficient solution to voltage sag problem. The DVR is a power electronic based device that provides three-phase controllable voltage source, whose voltage vector (magnitude and angle) adds to the source voltage during sag event, to restore the load voltage to pre-sag conditions.
Mahmoud A. El-Gammal   +2 more
openaire   +1 more source

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