Results 81 to 90 of about 1,285 (202)

Subarachnoidal-pleural fistula (SAPF) as an unusual cause of persistent pleural effusion : beta-trace protein as a marker for SAPF: case report and review of the literature

open access: yes, 2015
Background: We describe a case of a 56-year-old woman who developed a recurrent pleural effusion after a thoracoscopic resection of an anterior bulging thoracic disc hernia (level D9-D10).
Malfait, ThomasUZGent0019983740919788461755830000-0002-5015-771400086322-F0EE-11E1-A9DE-61C894A0A6B4   +9 more
core  

Analysis and stabilization for full harmonic compensation oscillation in SAPF system with source current direct control

open access: yes
Shunt active power filter (SAPF) has emerged as a promising solution for mitigating harmonic distortions. Due to the interaction between the current inner‐loop of SAPF, source impedance and non‐linear loads, harmonic oscillation issue arises and ...
Yuguo Li   +5 more
core   +1 more source

Development of Shunt Active Power Filter for Harmonic Reduction using Synchronous Reference Frame with Space Vector Pulse Width Modulation

open access: yesNigerian Journal of Technological Development, 2020
The work aims at development of Shunt Active Power Filter (SAPF) for harmonic reduction. The current harmonics are being caused by nonlinear characteristic of power electronics based equipments which increase power losses and in turn reduce power quality.
Sijuwade Akanni Akintade   +2 more
doaj  

Modeling and Experimental Validation of a Single-Phase Series Active Power Filter for Harmonic Voltage Reduction

open access: yesIEEE Access, 2019
Research advances on renewable energy systems have increased the interest in the use of isolated power supplies composed of power converters based on high-frequency transformers.
Lucas Frederico Jardim Meloni   +3 more
doaj   +1 more source

A Refined Self-Tuning Filter-Based Instantaneous Power Theory Algorithm for Indirect Current Controlled Three-Level Inverter-Based Shunt Active Power Filters under Non-sinusoidal Source Voltage Conditions

open access: yesEnergies, 2017
In this paper, a refined reference current generation algorithm based on instantaneous power (pq) theory is proposed, for operation of an indirect current controlled (ICC) three-level neutral-point diode clamped (NPC) inverter-based shunt active power ...
Yap Hoon   +3 more
doaj   +1 more source

A Lyapunov Stability Theory-Based Control Strategy for Three-Level Shunt Active Power Filter

open access: yesEnergies, 2017
The three-phase three-wire neutral-point-clamped shunt active power filter (NPC-SAPF), which most adopts classical closed-loop feedback control methods such as proportional-integral (PI), proportional-resonant (PR) and repetitive control, can only output
Yijia Cao   +4 more
doaj   +1 more source

Power Quality Comparative Analysis between UPF and SAPF

open access: yesJournal of Energy and Power Engineering, 2021
null Nicolae Badea   +2 more
openaire   +1 more source

Enhancing SAPF performance with VOC and SVM for electrical networks depollution

open access: yesInternational Journal of Power Electronics and Drive Systems (IJPEDS)
This paper presents a significant enhancement in the filtering performance of shunt active power filters (SAPF) by leveraging the voltage oriented control(VOC) in combination with a three-level NPC inverter using space vector modulation (SVM). The VOC technique enables precise control of the SAPF by utilizing the orientation of the voltages, thereby ...
Bayoude, Kamal   +2 more
openaire   +1 more source

Simulation and Hardware Implementation of Shunt Active Power Filter Based on Synchronous Reference Frame Theory [PDF]

open access: yes, 2018
This paper describes about the Shunt Active Power Filter (SAPF) for the elimination of the current harmonics in the line side. The Active Power Filter is based on the Voltage Source Inverter (VSI) topology.
Senthilnathan, Karthikrjan; VIT University   +2 more
core   +1 more source

Performance evaluation of Modified Widrow-Hoff ADALINE under effect of photovoltaic with shunt active power filter [PDF]

open access: yes, 2016
This paper investigates performances of Modified Widrow-Hoff ADALINE as harmonics extraction algorithm under effect of photovoltaic (PV) integrated with shunt active power filter (SAPF).
Abd Rahim, Nasrudin   +8 more
core   +1 more source

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