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Low THD Grid Connected Converter Under Variable Frequency Environment [PDF]

open access: yesIEEE Access, 2019
This paper is aimed at achieving unity power factor and low total harmonic distortion (THD) at the input side of a grid connected three-phase rectifier in a variable grid frequency environment.
Rabia Nazir, Alan R. Wood, Aqsa Shabbir
doaj   +2 more sources

Cardiovascular risk assessment with SCORE2 and targeted health dialogues in primary care patients with mental illness. [PDF]

open access: yesPLoS ONE
BackgroundPatients with mental illness face a higher risk of cardiovascular disease (CVD), mainly due to unhealthy lifestyle habits. The CVD risk assessment tool Systematic COronary Risk Evaluation 2 (SCORE2) does not assess modifiable lifestyle factors ...
Veronica Milos-Nymberg   +5 more
doaj   +2 more sources

Advanced thyristor-based cycloconverter for efficient three-phase conversion with low THD

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy
The growing demand for sustainable systems capable of serving three-phase loads from a single-phase grid has spurred significant research. Conventional DC-link-based single-phase to three-phase converters and variable frequency drives require massive and
Mahbubur Rahman Tahmid   +3 more
doaj   +2 more sources

The place of mini-invasive TransanalHemorrhoidal-Dearterialisation and Rectopexy technique in the treatment of hemorrhoidal disease, an evaluation from cost-effectiveness point of view [PDF]

open access: yesRomanian Journal of Medical Practice, 2023
Background. Choosing the most suitable treatment for Hemorrhoidal Disease (HD) still poses problems for both patients and doctors. THD-RAR although it has proven its superiority regarding postoperative complications, length of hospital stay, return to ...
Romica Mehic   +3 more
doaj   +1 more source

Multirate model predictive current control of a permanent magnet synchronous machine for a flywheel energy storage system

open access: yesEnergy Reports, 2022
A flywheel energy storage system (FESS) achieves energy conversion through a permanent magnet synchronous machine (PMSM). The PMSM in a FESS requires low current total harmonic distortion (THD) and fast current response to obtain high performance ...
Hongjin Hu   +3 more
doaj   +1 more source

Comparative Study of Passivity, Model Predictive, and Passivity-Based Model Predictive Controllers in Uninterruptible Power Supply Applications

open access: yesEnergies, 2023
Voltage source converters are widely used in distributed generation (DG) and uninterruptible power supply (UPS) applications. This paper aims to find the controller that performs best when model changes occur in the system, showing insensitivity to ...
Shafquat Hussain   +4 more
doaj   +1 more source

Comparative Analysis of Two Novel Passive Harmonic Suppression Circuits for Industrial Applications [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2023
The 12-pulse diode rectifier (12-PDR) fails to comply with the limits of total harmonic distortion (THD) of supply current to be less than 5% specified in the IEEE Standard 519.
Rohollah Abdollahi, Alireza Reisi
doaj   +1 more source

A Seventeen Multilevel High-Power Application Inverter with Low Total Harmonic Distortion

open access: yesInternational Journal of Photoenergy, 2021
In this paper, a new topology of multilevel inverter (MLI) is designed with a fewer number of components and low total harmonic distortion (THD) for high-power photovoltaic (PV) systems.
Ajmal Farooq   +6 more
doaj   +1 more source

Minimization of total harmonic distortions of cascaded H-bridge multilevel inverter by utilizing bio inspired AI algorithm

open access: yesEURASIP Journal on Wireless Communications and Networking, 2020
Minimizing total harmonic distortion (THD) with less system complexity and computation time is a stringent constraint for many power systems. The multilevel inverter can have low THD when switching angles are selected at the fundamental frequency.
Muhammad Salman   +7 more
doaj   +1 more source

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