Results 41 to 50 of about 1,560,331 (368)
A Precise Electrical Disturbance Generator for Neural Network Training with Real Level Output [PDF]
, 2007 Power Quality is defined as the study of the quality of electric power lines. The detection and classification of the different disturbances which cause power quality problems is a difficult task which requires a high level of engineering expertise ...
García Delgado, Antonio +3 more
core +1 more source
Benchmarking of Voltage Sag Generators [PDF]
IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society, 2012 The increased penetration of renewable energy systems, like photovoltaic and wind power systems, rises the concern about the power quality and stability of the utility grid. Some regulations for Low Voltage Ride-Through (LVRT) for medium voltage or high voltage applications, are coming into force to guide these grid-connected distributed power ...
Yang, Yongheng; id_orcid 0000-0002-1488-4762 +2 more
openaire +2 more sources
Energy Conversion and Economics, 2022 Voltage sags flickers, and harmonics are major problems associated with power quality and are of concern to power companies and consumers. Therefore, efforts to improve power quality have increased. This study explores the dynamic performance of a static
Mohammed Redha Qader
doaj +1 more source
Sensitivity of Low-Voltage Variable-Frequency Devices to Voltage Sags
IEEE Access, 2019 Variable frequency drives (VFDs) are the types of power electronic device commonly used to drive motors with a wide range of industrial and practical applications, especially in power systems.
Yonghai Xu +4 more
semanticscholar +1 more source
Eletrônica de Potência, 2019 Wind turbines are widespread around the globe, and the number of windfarms connected to the grid is continually increasing. The Doubly-Fed Induction Generator (DFIG) plays an important role, since it is one of the most used configurations for wind power
Joacillo L. Dantas +4 more
doaj +1 more source
Testing of three-phase equipment under voltage sags [PDF]
, 2015 This paper provides insight into the testing of three-phase equipment exposed to voltage sags caused by faults. The voltage sag recovers at the fault-current zeros, leading to a ‘discrete’ voltage recovery, that is, the fault is cleared in different ...
Bogarra Rodríguez, Santiago +4 more
core +3 more sources
SRAT-Distribution Voltage Sags and Reliability Assessment Tool [PDF]
, 2004 Interruptions to supply and sags of distribution system voltage are the main aspects causing customer complaints. There is a need for analysis of supply reliability and voltage sag to relate system performance with network structure and equipment design ...
Koner, Prabhat, Ledwich, Gerard
core +2 more sources
Implementation of a non-conventional method to characterize voltage sags and swells
Dyna, 2016 Voltage sags and swells are among the power quality disturbances that represent the biggest economic losses for affected users. It is therefore necessary to undertake a suitable characterization of those events to conduct studies that permit the causes ...
Jorge Enrique Celis-Montero +2 more
doaj +1 more source
Voltage Sag Compensation Using Dynamic Voltage Restorer
International 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
Energies, 2019 Voltage sag is one of the most serious problems in power quality. The occurrence of voltage sag will lead to a huge loss in the social economy and have a serious effect on people’s daily life.
Haoyuan Sha +4 more
semanticscholar +1 more source