Results 71 to 80 of about 758,847 (249)

Cause, Classification of Voltage Sag, and Voltage Sag Emulators and Applications:A Comprehensive Overview [PDF]

open access: yes, 2019
The large-scale application of wind power and photovoltaic power solves the energy crisis and alleviates the environmental problems caused by the use of conventional energy.
Yang, Ping   +6 more
core   +1 more source

Motion and Morphology Planning for Autonomous Manipulation in Clutter With a Shape‐Shifting, Variable‐Stiffness Robot

open access: yesAdvanced Intelligent Systems, EarlyView.
A hybrid mobile robot with a modular Variable‐Stiffness Bridge transitions between a rigid locomotion platform and a flexible, shape‐conforming body. By enclosing objects within its deformable structure rather than relying on dedicated end effectors, the robot achieves orientation‐regulated planar transport, with conformal contact quality shown to ...
Luiza Labazanova   +5 more
wiley   +1 more source

Healing Following Endoscopic Reconstruction of the Anterior Skull Base in Patients With Sinonasal Malignancies

open access: yesInternational Forum of Allergy &Rhinology, EarlyView.
ABSTRACT Background Healing dynamics after anterior skull base (ASB) reconstruction following transnasal endoscopic surgery (TES) for sinonasal malignancies remain poorly characterized. This study aimed to describe the postoperative healing process, quantify time to healing, identify factors influencing healing, and assess radiologic evolution over ...
Giacomo Contro   +22 more
wiley   +1 more source

Simulation and application of voltage SAG regulator

open access: yes, 2002
Voltage SAG is one of dominant cause at power quality problems. The voltage sag problems impact to industrial process because control and protection equipment are sensitive to voltage sag.
Khan, Nasrullah   +3 more
core   +1 more source

Voltage sag severity evaluation based on multiple line characteristic factors fusion

open access: yes电力工程技术
The existing methods for evaluating voltage sag severity do not sufficiently consider the effect of the multiple line characteristic factors on the line failure probability, which leads to a large error in the evaluation results. Therefore, an evaluation
XU Fangwei   +3 more
doaj   +1 more source

Multipurpose Compensation Scheme for Voltage Sag/Swell and Selective Harmonics Elimination in Distribution Systems

open access: yesAdvances in Electrical and Electronic Engineering, 2018
Voltage harmonics, sag, and swell are the most harmful disturbances in distribution systems. This paper introduces a novel effective controller method for simultaneous compensation of both voltage sag/swell and voltage harmonics by using multifunctional ...
Mustafa Inci   +4 more
doaj   +1 more source

Analysis of Voltage Sag Phasor Dynamic

open access: yes, 2005
Voltage sag is one of the most expensive power-quality disturbances as a consequence of the huge increment of sensitive loads. Available standards recommend the characterisation of the voltage sag by means of two parameters: magnitude and duration ...
Karlsson, Daniel   +5 more
core   +1 more source

A Comprehensive In Vitro Approach for Assessing the Physiological Degradation of Medical Implants: The Silkothane Arteriovenous Graft Case Study

open access: yesAdvanced NanoBiomed Research, EarlyView.
Evaluating the degradation of absorbable medical devices in vitro demands physiologically relevant conditions. This study presents a comprehensive framework applied to a three‐layered silk fibroin/polyurethane arteriovenous graft, employing human enzymes at physiological concentrations over 6 months. Multiparametric analyses of both graft structure and
Cristina Oldani   +5 more
wiley   +1 more source

Analisis Voltage Sag pada Sistem Tenaga Listrik PT. Petrochina International Ltd. Sorong

open access: yesJurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2014
Petrochina adalah salah satu perusahaan tambang minyak yang menggunakan hampir 94% pasokan listriknya digunakan untuk beban motor ESP(Elelectrical submersible pump) yang bersifat induktif.
Chandra Wiharya   +2 more
doaj   +1 more source

Molecular methods for differentiating Phragmites australis subspecies and identification of hybrid stands in the Upper Midwestern United States

open access: yesApplications in Plant Sciences, EarlyView.
Abstract Premise In North America, Phragmites australis (common reed) has drawn a great deal of research attention. Non‐native P. australis subsp. australis is a noxious weed that has locally displaced native P. australis subsp. americanus in some areas.
Nicholas P. Tippery   +8 more
wiley   +1 more source

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