Results 81 to 90 of about 760,879 (293)

The Gut–Heart Axis in Systemic Sclerosis: Evidence From a Large Prospective Early Disease Cohort

open access: yesArthritis Care &Research, EarlyView.
Objective Cardiac involvement significantly impacts prognosis in systemic sclerosis (SSc), highlighting the need for early risk stratification. Gastrointestinal (GI) symptoms are common and often manifest early. Emerging data suggest a link between GI and cardiac manifestations, possibly through shared mechanisms like dysautonomia.
Francesca R. Di Ciommo   +9 more
wiley   +1 more source

Power quality improvement using dynamic voltage restorer in electrical distribution system: an overview [PDF]

open access: yes, 2020
This paper represents a review of the dynamic voltage restorer for power quality improvement in the electrical distribution system. Over the past 50 years, issues concerning power quality have steadily increased, to prevent the effect of the voltage ...
Ali Basim Mohammed   +6 more
core   +1 more source

Evaluation of Reduced-Switch Seven-Level Converter-Based upqc with Hybrid Fuzzy-Feedforward Neural Network Algorithm

open access: yesBrazilian Archives of Biology and Technology
To improve the performance of end-user equipment in an electric utility distribution network, it is necessary to improve power quality (PQ). This paper presents PQ improvement in electric distribution network using seven-level five switch converter based
Veera Nagi Reddy Varampati   +2 more
doaj   +1 more source

Comparative Study of Power Quality Event Characterization using Scalable Vector Graphics & Matlab [PDF]

open access: yesE3S Web of Conferences
The research delves into the topic of power quality event extraction and compares two parameters—voltage sag/swell and harmonics—using data supplied by SVG and waveforms created by Matlab.
Vardhan R. Harsha   +3 more
doaj   +1 more source

Real‐World Safety and Effectiveness of JAK Inhibitors in Systemic Sclerosis: A Propensity‐Matched Study From the EUSTAR Cohort

open access: yesArthritis Care &Research, EarlyView.
Objective JAK inhibitors (JAKi) have shown promising effects in early‐phase studies of systemic sclerosis (SSc). We aimed to assess the safety and explore the effectiveness of JAKi compared to conventional immunosuppressants in SSc. Methods A longitudinal retrospective study of the European Scleroderma Trials and Research Group (EUSTAR) cohort was ...
Stefano Di Donato   +27 more
wiley   +1 more source

Mitigation of Voltage Sag/Swell by Dynamic Voltage Restorer for Power Quality Improvement [PDF]

open access: yes, 2018
Power quality has become a major constraint for any type of load to get the better voltage quality. When the power quality is considered ,the voltage sag/swell plays predominant role at different types of loads which decreases the quality of voltage at ...
A. Rajesh , Dr., Sravani , G.
core  

Power Quality Enhancement in High-Voltage Transmission Systems Using STATCOM by Type 1 and Type 2 Fuzzy Logic Controllers

open access: yesInternational Journal of Computational Intelligence Systems
The continuing growth of load demand leads to increased power system complexity and interconnections. During faults and abnormal operating conditions, conventional power systems change the load flow in transmission lines, which may cause voltage drops or
Faissl G. Chremk, Hanene Medhaffar
doaj   +1 more source

A Reduced DC-Link Voltage-Based NSC Topology for an On-Grid PEMFC Microgrid Capable of Handling Unbalanced Load Conditions and Grid Disturbances

open access: yesIEEE Access
This article presents a nine-switch converter-based on-grid proton exchange membrane fuel cell microgrid system and its control with a reduced DC-link voltage requirement for the NSC. With the proposed topology, the do link voltage requirement of the NSC
Swagat Pati   +4 more
doaj   +1 more source

From Adult to Adolescent: Alignment in Clinical Trials and Outcomes in Axial Spondyloarthritis

open access: yesArthritis Care &Research, EarlyView.
Spondyloarthritis (SpA) is a group of chronic inflammatory diseases encompassing axial and peripheral forms, with up to 20% of patients developing symptoms before age 16. Despite this substantial pediatric burden, treatment options for juvenile‐onset SpA (JSpA), particularly those with axial disease (axJSpA), remain limited.
Pamela F. Weiss   +9 more
wiley   +1 more source

Voltage Swell Compensation in an Interline Dynamic Voltage Restorer

open access: yes, 2014
29-32The Dynamic Voltage Restorer (DVR) provides an advanced and economical solution for voltage swell problems. The voltage-restoration process involves real-power injection into the distribution system.
Rani, P Usha
core  

Home - About - Disclaimer - Privacy