Results 61 to 70 of about 2,306 (298)

Online coherency identification and stability condition for large interconnected power systems using an unsupervised data mining technique [PDF]

, 2019
Identification of coherent generators and the determination of the stability system condition in large interconnected power system is one of the key steps to carry out different control system strategies to avoid a partial or complete blackout of a power
Barocio, Emilio, Korba, Petr, Sattinger, Walter, Segundo Sevilla, Felix Rafael   +3 more
core   +1 more source

Combining Three Peripheral Blood Biomarkers to Stratify Rheumatoid Arthritis–Associated Interstitial Lung Disease Risk

Arthritis Care &Research, EarlyView.
Objective The purpose was to evaluate a biomarker score consisting of MUC5B rs35705950 promoter variant, plasma matrix metalloproteinase‐7 (MMP‐7), and serum anti–malondialdehyde‐acetaldehyde (anti‐MAA) antibody for rheumatoid arthritis (RA)–associated interstitial lung disease (ILD) risk stratification.
Kelsey Coziahr, Austin M. Wheeler, Brent A. Luedders, Michael Duryee, Halie Frideres, Katherine D. Wysham, Grant W. Cannon, Gary Kunkel, Dana P. Ascherman, Paul A. Monach, Gail S. Kerr, Andreas M. Reimold, Scott M. Matson, Joshua F. Baker, Geoffrey M. Thiele, Ted R. Mikuls, Bryant R. England   +16 more
wiley   +1 more source

Impact of Distributed Generation Grid Code Requirements on Islanding Detection in LV Networks

Energies, 2017
The recent growing diffusion of dispersed generation in low voltage (LV) distribution networks is entailing new rules to make local generators participate in network stability.
Fabio Bignucolo, Alberto Cerretti, Massimiliano Coppo, Andrea Savio, Roberto Turri   +4 more
doaj   +1 more source

Evaluating a Pragmatic Strength Alternative for Frailty Measurement and Assessing Its Predictive Capacity Against Established Frailty Instruments in Rheumatoid Arthritis

Arthritis Care &Research, EarlyView.
Objective Frailty occurs prematurely in rheumatoid arthritis (RA) and is associated with poor health outcomes. We compared the performance of four frailty instruments, including a pragmatic alternative measure using chair sit‐to‐stand (STS), and evaluated their abilities to predict poor health outcomes.
Kylie E. Riggles, Hannah F. Brubeck, Adrienne D. Tanus, Courtney N. Loecker, Punyasha Roul, Bryant R. England, Elizabeth R. Wahl, James S. Andrews, Namrata Singh, Joshua F. Baker, Patricia P. Katz, Dolores M. Shoback, Jose M. Garcia, Ariela R. Orkaby, Katherine D. Wysham   +14 more
wiley   +1 more source

Combined Active Islanding Detection Method for Grid-connected Photovoltaic System

Gaoya dianqi, 2014
Unintentional islanding phenomenon has been one of the most important problems of gridconnected photovoltaic inverters. To prevent this phenomenon, all kinds of anti-islanding methods have been discussed.
WEI Quan, WANG Yifei, ZHU Jing, YIN Xiaogang, LIU Zhuang   +4 more
doaj  

Case Studies for Non-Detection of Islanding by Grid-Connected In-Parallel Photovoltaic and Electrical Energy Storage Systems Inverters

Applied Sciences, 2019
In Korea, there is a rule for Renewable Energy Certification with weighting 5.0, to expand grid linkage capacity and to improve the stability of the grid to accommodate photovoltaic (PV) systems in a distributed power system. Due to this rule, many power
Jong Rok Lim, Hye Mi Hwang, Woo Gyun Shin, Hyung-Jun Song, Young-Chul Ju, Young Seok Jung, Gi Hwan Kang, Suk Whan Ko   +7 more
doaj   +1 more source

Prevalence of Systemic Lupus Erythematosus in Australia, 2010–2022: A Population‐Based Study Using Linked National Administrative Health Data

Arthritis Care &Research, EarlyView.
Objective Systemic lupus erythematosus (SLE) is a heterogenous inflammatory condition with widely varying global prevalence estimates. The frequency of SLE in the general population of Australia has been reported to be notably lower than contemporary estimates in countries such as the United States or United Kingdom, at 19 to 39 per 100,000 as opposed ...
Lucinda Roper, Rachel Black, Joanna Tieu, Winnie Chen, Matthew Parker, Catherine Hill, Natasha Nassar, Mandana Nikpour   +7 more
wiley   +1 more source

Voltage Frequency Differential Protection Algorithm

Energies
Advancements in new technologies, a reduction in CO2 emissions, and the rising demand for energy are causing a growth in the share of renewable energy sources.
Zdravko Matišić, Tomislav Antić, Juraj Havelka, Tomislav Capuder   +3 more
doaj   +1 more source

Study on the effectiveness of commercial anti‐islanding algorithms in the prospect of mass penetration of PVs in low‐voltage distribution networks

IET Energy Systems Integration, 2021
In the coming years, distribution grids will be progressively flooded by renewable energy sources (RES) that will be interconnected with the main grid through power electronic converters.
Alexandros Boubaris, Anastasios Kyritsis, Konstantinos Babouras, Syllas Frantzeskakis, Nick Papanikolaou, Theofilos Papadopoulos, Iñigo Vidaurrazaga, Ricardo Alonso   +7 more
doaj   +1 more source

Associations of Rheumatoid Arthritis Disease Activity With Frailty Over Five Years of Follow‐up

Arthritis Care &Research, EarlyView.
Objective To evaluate whether rheumatoid arthritis (RA) disease activity is associated with frailty both in cross‐section and longitudinally. Methods Participants within the Veterans Affairs Rheumatoid Arthritis (VARA) registry enrolled from 2003 to 2022 were included.
Courtney N. Loecker, Yangyuna Yang, Punyasha Roul, Aaron Baraff, Myra S. Schmaderer, Lani Zimmerman, Kaleb Michaud, Namrata Singh, Grant W. Cannon, Gary Kunkel, Ted R. Mikuls, Ariela R. Orkaby, Joshua F. Baker, Bryant R. England, Katherine D. Wysham   +14 more
wiley   +1 more source