Results 101 to 110 of about 5,888 (214)

Smart distribution network device for microgrid applications [PDF]

open access: yes, 2012
This paper focuses on the design of a smart distribution network device for improving the power quality and reliability of the overall power distribution system that the microgrid is connected to.
Chen, MZ, Chu, YC, So, PL, Tan, KT
core   +1 more source

Design of PI and Fuzzy Controllers for Dynamic Voltage Restorer (DVR)

open access: yesAASRI Procedia, 2012
Abstract Power quality is one of the major concerns in the present era. It has become important, especially, with the introduction of sophisticated devices, whose performance is very sensitive to the quality of power supply. To solve this problem, custom power devices are used.
Sandhya, K., Laxmi, A. Jaya, Soni, M.P.
openaire   +1 more source

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

open access: yesIEEE 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   +4 more
doaj   +1 more source

MATLAB Simulation Model to Improve Voltage Sag Due to Starting of Induction Motor Using STATCOM [PDF]

open access: yes, 2015
In industrial sector or process continuity plant the continuity of the industrial processes becomes a more important factor for the organisation profit and economical balance.
Jena, Tushar Kanti, Mahanand, Siddharth
core  

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

open access: yesInternational 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   +3 more
doaj  

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

open access: yesAin 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

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

open access: yes, 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  

Compensation of Single-Phase and Three-Phase Voltage Sag and Swell Using Dynamic Voltage Restorer [PDF]

open access: yes, 2012
DVR is a equipment which was connected in series and adjusting the  loading  voltage  by  feeding  the  voltage  in  system. The  first  installation  was  in 1996.
Marefatjou, Haniyeh, Sarvi, Mohammad
core   +2 more sources

Five Level Flying-Capacitor Multilevel Converter Using Dynamic Voltage Restorer (DVR)

open access: yesGraduate Research in Engineering and Technology, 2012
This paper deals with dynamic voltage restorer (DVR) controlled by a five-level flying-capacitor multi level converter. To decrease the power-quality disturbances in distribution system, such as voltage imbalances, harmonic voltages, and voltage sags.
K. Ramakrishna Reddy, G. Koti Reddy
openaire   +1 more source

Improving skills in rounding off the whole number [PDF]

open access: yes, 2017
This study was conducted to address teaching and learning skills in rounding off a whole number. This study consisted of 15 years 4 students from the Kong Nan Chinese Primary School, Parit Raja, Johor, Malaysia.
Khalid, Kamil   +8 more
core   +1 more source

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