Results 41 to 50 of about 1,715,225 (335)

Analysis of Voltage Sag Due to Short Circuit on the Sub System in Central Sumatera

open access: yesInternational Journal of Electrical, Energy and Power System Engineering, 2018
Power quality is closely related to electrical energy which is directly related to voltage and current interference. Electrical equipment used daily requires good power quality. The thing that affects the quality of the power is the voltage dip. Based on
Hamzah Eteruddin   +2 more
doaj   +1 more source

Automatic Test Method of Typical Sensitive Equipment for Voltage Sag Withstand Characteristics Analysis

open access: yesIEEE Access, 2022
As production and life require more and more high-end and precise power equipment, high-quality electrical energy becomes the basis for the operation of these equipment. The impact of voltage sags on these devices has also increased.
Yingjie He   +5 more
doaj   +1 more source

A Voltage Sag Pattern Classification Technique [PDF]

open access: yes, 2005
This paper presents an investigation on pattern classification techniques applied to voltage sag monitoring data. Similar pattern groups or sets of classes, resulting from a voltage sag classification, represent disturbance categories that may be used as indexes for a cause/effect disturbance analysis.
Délio E. B. Fernandes   +2 more
openaire   +1 more source

Voltage dip generator for testing wind turbines connected to electrical networks

open access: yes, 2011
This paper describes a new voltage dip generator that allows the shape of the time profile of the voltage generated to be configured. The use of this device as a tool to test the fault ride-through capability of wind turbines connected to the electricity
N. Herrero   +28 more
core   +1 more source

Sensitivity of Low-Voltage Variable-Frequency Devices to Voltage Sags

open access: yesIEEE 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
doaj   +1 more source

A BPSO-Based Method for Optimal Voltage Sag Monitor Placement Considering Uncertainties of Transition Resistance

open access: yesIEEE Access, 2020
This study presents a new approach to the optimal placement of voltage sag monitors considering the uncertainties associated with transition resistance. The influence of transition resistance on the magnitude of voltage sags triggered by symmetrical and ...
Haiwei Jiang   +4 more
semanticscholar   +1 more source

Grid Connected Inverter Behavior with an Output LC Filter under Voltage Sag Operation [PDF]

open access: yes, 2009
The aim of this paper is to propose an over current limitation and voltage control strategy for a grid connected inverter with a LC output filter used in distributed generation and in case of voltage sag.
COLAS, Frédéric   +2 more
core  

CAR T‐Cell Therapy in Neurology: A Scoping Review of Neuro‐Oncology, Autoimmune Diseases & Neurotoxicity

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Chimeric antigen receptor (CAR) T‐cell therapy has been investigated in neurological diseases, encompassing both central nervous system malignancies and autoimmune disorders, thereby extending its application beyond hematological cancers.
Omar Alqaisi   +5 more
wiley   +1 more source

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

Peripheral Neutrophil Activation and Extracellular Trap Formation in Amyotrophic Lateral Sclerosis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
Markers of neutrophil activation are increased in plasma during ALS, and markers of NET formation associate with ALS survival. ABSTRACT Objectives Peripheral neutrophil levels in amyotrophic lateral sclerosis (ALS) inversely correlate with survival, suggesting a role for neutrophils in disease progression.
Lillia A. Baird   +9 more
wiley   +1 more source

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