Results 101 to 110 of about 2,109 (236)

Simplified Four-Level Inverter-Based Dynamic Voltage Restorer With Single DC Power Source

IEEE Access, 2019
This paper proposes a simplified four-level (S4L) inverter based dynamic voltage restorer (DVR). In the proposed configuration, the dual buck stage can output full, two thirds, and one third of dc link voltage.
Jian Ye, Hoay Beng Gooi, Xinan Zhang, Benfei Wang, Josep Pou   +4 more
doaj   +1 more source

Power quality improvement by using non-linear sliding mode controller with the dynamic voltage restorer [PDF]

, 2021
The essential issue of the power system network is power quality. The bus voltage must be maintained as a sinusoidal waveform. Many disturbances affect the supply voltage, such as notching, transients, voltage sag/swell.
Mohammed, Ali Basim
core  

Mitigation Voltage Sag Using DVR with Power Distribution Networks for Enhancing the Power System Quality

International Journal of Electrical Engineering and Applied Sciences, 2018
The fast developments in power electronic technology have made it possible to mitigate voltage disturbances in power system. Among the voltage disturbances challenging the industry, the voltage sags are considered the most important problem to the ...
Amer Nasr A. Elghaffar, Ali M. Eltamaly, Yehia Sayed, Abou-Hashema M. El-Sayed   +3 more
doaj  

A novel deep learning-based control for voltage sag prediction and DVR–LVRT coordination in grid-connected wind turbine systems

Ain Shams Engineering Journal
This study proposes a novel deep feedforward neural network (DFNN)-based control for voltage sag prediction and dynamic voltage restorer (DVR) integration with low-voltage ride-through (LVRT) to improve voltage stability and energy efficiency in wind ...
Mohamed A. Ahmed, Mona A. Bayoumi
doaj   +1 more source

An Investigation of Power Quality Problems in a Remote Mine Site in Papua New Guinea [PDF]

, 2004
Investigation and monitoring of power quality is necessary to maintain accurate operation of sensitive equipment. Electrical power systems of mines with their sophisticated technology will always have a need for monitoring power quality to ensure that ...
Hemetsberger, F. A., Saha, Tapan K.
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A Novel Control Strategy for Compensation of Voltage Quality Problem in AC Drives [PDF]

, 2018
This paper presents a novel control strategy for the compensation of voltage quality issues in power system networks with AC drives. Voltage quality is one of the key parameter for power engineers and to deliver the power with good quality should be ...
Kumar P, Bharat, Sujatha, P. Sujatha, Suraya, Syed   +2 more
core   +2 more sources

Dynamic voltage restorer (DVR) enhancement in power quality mitigation with an adverse impact of unsymmetrical faults

, 2021
Awais Farooqi, Muhammad Murtadha Othman, Mohd Amran Mohd Radzi, Ismail Musirin, Siti Zaliha Mohammad Noor, Izham Zainal Abidin   +5 more
openalex   +1 more source

Simple and Fast Voltage Disturbance Detection and Voltage Reference Generation Approach for Dynamic Voltage Restorer (DVR) to Compensate Unbalanced Voltage Sag and Swell in Three-Phase System: Simulation and Experimental Testing

, 2023
Taweesak Thongsan, Theerayuth Chatchanayuenyong   +1 more
openalex   +2 more sources

Enhancing the Functionality of a Grid-Connected Photovoltaic System in a Distant Egyptian Region Using an Optimized Dynamic Voltage Restorer: Application of Artificial Rabbits Optimization. [PDF]

Sensors (Basel), 2023
Ibrahim NF, Alkuhayli A, Beroual A, Khaled U, Mahmoud MM.   +4 more
europepmc   +1 more source

Simulation of Linear Feedback Control of D-Statcom for Voltage Sag Mitigation [PDF]

, 2005
Recently, the demands of electrical supply by industries and domestics customers have increased tremendously. This is due to the increase of large loads which are sensitive in industries like semiconductor and the building of new housing estates ...
Zulkifli, Shamsul Aizam
core