Results 1 to 10 of about 28,216 (296)

Multiple bottlenecks sorting criterion at initial sequence in solving permutation flow shop scheduling problem [PDF]

open access: yes, 2021
This paper proposes a heuristic that introduces the application of bottleneck-based concept at the beginning of an initial sequence determination with the objective of makespan minimization.
A. S., Zainudin   +3 more
core  

Design and Control of Modular Multilevel Converter for Voltage Sag Mitigation

open access: yesEnergies, 2022
Voltage sag in a power system is an unavoidable power quality issue, and it is also an urgent concern of sensitive industrial users. To ensure the power quality demand and economical operation of the power system, voltage sag management has always drawn ...
Fazal Muhammad   +4 more
doaj   +1 more source

SVD Applied to Voltage Sag State Estimation [PDF]

open access: yes, 2013
The method presented in this paper addresses the problem of voltage sag state estimation (VSSE). The problem consists in estimating the voltage sags frequency at non-monitored buses from the number of sags measured at monitored sites.
Castro Fernández, Rosa María de   +3 more
core   +2 more sources

Design of alternating current voltage–regulating circuit based on thyristor: Comparison of single phase and three phase

open access: yesMeasurement + Control, 2020
The voltage sag problem in a power grid can be solved by a voltage regulator. In this study, the voltage regulator based on thyristor was used to compensate the single-phase and three-phase voltage of voltage sag fault, so as to recover the normal level ...
Zonglu Zhang
doaj   +1 more source

Value-added Service Strategy of Voltage Sag Governance for Mutual Satisfaction of Power Supply Companies and Power Users

open access: yesZhongguo dianli, 2020
For realizing marketization of voltage sag governance, two major problems need to be solved: lowering the investment cost and reasonably setting the service fee.
Bo ZHANG   +5 more
doaj   +1 more source

Voltage Sag Compensation Using Dynamic Voltage Restorer

open access: yesInternational Journal of Engineering and Advanced Technology, 2019
Power quality plays a very important vital role in the modern utility grid where sensitive loads are employed. Equipment damage, temporary shutdowns, product quality degradation and Voltage Sag are the major problem associated with power quality. Dynamic Voltage Restorer (DVR) is a powerful device which is used to improve voltage mitigation of weak ...
D. Arulselvam*   +3 more
openaire   +1 more source

Voltage sag assessment method considering low-voltage ride-through of inverter-interfaced distributed generators

open access: yesInternational Journal of Electrical Power & Energy Systems
Voltage sags often disrupt the normal functioning of sensitive equipment and distributed generators (DGs), making voltage sag mitigation based on corresponding assessments crucial. Voltage sag characteristics, including voltage magnitude and sag duration,
Xian-yong Xiao   +3 more
doaj   +1 more source

A comprehensive evaluation method of DC voltage sag in medium–low voltage DC distribution system

open access: yesEnergy Reports, 2022
The development of the DC distribution system (DCDS) has attracted increasing attention, due to its technological superiorities in integrating new energy sources and DC power loads more friendly and effectively.
Zhenqiang Li   +5 more
doaj   +1 more source

Development of D-Statcom in hardware in the loop system for voltage SAG mitigation [PDF]

open access: yes, 2019
The problem of power quality (PQ) is of utmost concern today. The widespread use of electronic equipment such as adjustable speed drive (ASD), programmable logic controller (PLC), information technology equipment in power electronics applications such
Mohammed, Amjad Muneim
core  

Power Quality Improvement and Low Voltage Ride through Capability in Hybrid Wind-PV Farms Grid-Connected Using Dynamic Voltage Restorer [PDF]

open access: yes, 2018
© 2018 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission.This paper proposes the application of a dynamic voltage restorer (DVR) to ...
Allaoui, Tayeb   +3 more
core   +2 more sources

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