Results 31 to 40 of about 28,216 (296)

A Non-invasive Identification Method for Sensitive Load Based on Voltage Sag Monitoring Data

open access: yesZhongguo dianli, 2021
For the problem that it is difficult to accurately obtain the user's sensitive equipment parameters and the production process structure in voltage sag mitigation, a method is proposed for identifying sensitive loads based on available voltage sag ...
Chong HU   +5 more
doaj   +1 more source

A novel approach for voltage sag representation in a chemical industry: A case study

open access: yesEngineering Reports, 2020
Voltage sag is a major Power Quality issue which may occur at every possible load point. In the industrial sector, its impact is particularly prominent at it is directly related to financial losses.
Chinmaya Behera   +2 more
doaj   +1 more source

Voltage sag source location based on sag event amplitude information

open access: yesEnergy Reports, 2023
Voltage sag source location provides a solution to improve the operation and maintenance efficiency and resolve disputes between power supply and consumption.
Zhu Liu   +5 more
doaj   +1 more source

A System Assessment Method for Voltage Sag Severity Based on Average Point-To-Line Distance Index

open access: yesZhongguo dianli, 2020
In order to systematically compare the voltage sag severity of different regions, a system method is proposed to assess grid voltage sag severity. The method obtains the time duration intervals through cluster analysis, and gets the medians of residual ...
Qing ZHONG   +4 more
doaj   +1 more source

An effective control algorithm for dynamic voltage restorer under symmetrical and asymmetrical grid voltage conditions

open access: yesElectrical engineering & Electromechanics, 2021
Introduction. Voltage sag, which is associated to a transitory drop in the root mean square voltage characterizing an electrical source network. During these perturbations, the corresponding electronic customers and devices will suffer from serious ...
A. Boussaid   +3 more
doaj   +1 more source

Factor affecting characteristic of voltage sag due to fault in the power system [PDF]

open access: yes, 2008
Faults in the power system are the most common reason for the occurrence of important power quality problem, voltage sag in the system. Due to increasing use of sensitive and sophisticated control in almost all modern devices at the industrial and ...
Patne Nita R., Thakre Krishna L.
core   +1 more source

Evaluation Method and Probabilistic Index of Voltage Sag Severity Considering Point-on-wave

open access: yesJournal of Modern Power Systems and Clean Energy, 2021
The impact of voltage sag on sensitive devices is related to the time when the sag occurs. However, the point-on-wave of a sag is uncertain. Therefore, this paper presents a novel approach to evaluate the voltage sag severity considering a random point ...
Guopei Wu   +3 more
doaj   +1 more source

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

open access: yes, 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  

Application of inverter based shunt device for voltage sag mitigation due to starting of an induction motor load [PDF]

open access: yes, 2005
This paper shows a study of the static synchronous compensator (STATCOM) behaviors for voltage sag mitigation to an induction motor. The proposed of STATCOM stability model is justified based on the basic operation characteristics of phase control ...
Bashi, Senan M.   +2 more
core   +1 more source

Voltage Sag Assessment, Detection, and Classification in Distribution Systems Embedded With Fast Charging Stations

open access: yesIEEE Access, 2023
A fast charging station (FCS), which consists of eight fast and extreme chargers that operate individually and simultaneously, is considered in this research work. The FCS is supplied from the main grid as well as a Photovoltaic (PV) Farm that includes a
Sami M. Alshareef
doaj   +1 more source

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