Results 1 to 10 of about 106,437 (299)

Added value of patient-reported outcome measures (PROMs) after an acute stroke and early predictors of 90 days PROMs

open access: yesJournal of Patient-Reported Outcomes, 2022
Introduction Value-based health care represents a patient-centered approach by valuing Patient-Reported Outcome Measures (PROMs). Our aim was to describe the additional value of PROMs after an acute stroke over conventional outcome measures and to ...
Ester Sanchez-Gavilan   +10 more
doaj   +1 more source

An Improved Dingo Optimization Algorithm Applied to SHE-PWM Modulation Strategy

open access: yesApplied Sciences, 2022
This paper presents a modification to the dingo optimization algorithm (mDOA) to solve the non-linear set of equations of the selective harmonic elimination (SHE) control technique widely applied in multilevel inverters. In addition, said modification is
Juan H. Almazán-Covarrubias   +3 more
doaj   +1 more source

A Comprehensive Review of Maritime Microgrids: System Architectures, Energy Efficiency, Power Quality, and Regulations

open access: yesIEEE Access, 2019
The recent trends to design more efficient and versatile maritime (both marine and offshore) vessels have attracted significant attention toward high penetration of power electronics systems in electric ship systems, which trigged a variety of power ...
Dinesh Kumar, Firuz Zare
doaj   +1 more source

DC Microgrid Technology: System Architectures, AC Grid Interfaces, Grounding Schemes, Power Quality, Communication Networks, Applications, and Standardizations Aspects

open access: yesIEEE Access, 2017
To meet the fast-growing energy demand and, at the same time, tackle environmental concerns resulting from conventional energy sources, renewable energy sources are getting integrated in power networks to ensure reliable and affordable energy for the ...
Dinesh Kumar, Firuz Zare, Arindam Ghosh
doaj   +1 more source

ARTIFICIAL INTELLIGENT SYSTEM FOR MEASUREMENT OF HARMONIC POWERS

open access: yesASEAN Journal on Science and Technology for Development, 2017
The importance of the electric power quality (PQ) demands new methodologies and measurement tools in the power industry for the analysis and measurement of the basic electric magnitudes necessary.
Jovitha Jerome, P. Vinoth
doaj   +1 more source

A novel spoke‐type PM motor with asymmetric rotor for low torque pulsation under MTPA control condition

open access: yesIET Electric Power Applications, 2022
This article presents a novel asymmetric spoke‐type rotor structure. It is used to reduce rotor magnetic flux leakage, torque ripple and no‐load back‐EMF distortion rate while increasing the motor output torque.
Zeyu Liu   +4 more
doaj   +1 more source

Parameter estimation of harmonics arising in electrical instruments of smart grids using cuckoo search heuristics

open access: yesFrontiers in Energy Research, 2022
The accurate estimation of power signal parameters allows smart grids to optimize power delivery efficiency, improve equipment utilization, and control power flow among generation nodes and loads.
Naveed Ahmed Malik   +7 more
doaj   +1 more source

An Adaptive Control Strategy for a Low-Ripple Boost Converter in BLDC Motor Speed Control

open access: yesPower Electronics and Drives, 2021
Conventional boost converters are widely used for connecting low-voltage power sources and inverters in motor control. However, a large filter capacitor bank is often used to reduce DC-link ripples that occur when an inverter is connected to a boost ...
Wang Haifeng, Zhang Haili
doaj   +1 more source

Noise mitigation in dual three-phase internal permanent magnet machines by injection of current harmonics

open access: yesThe Journal of Engineering, 2019
Steadily increasing power demands are linked with the ongoing process of electrifying the powertrain for dominant and pure electric vehicles. Fulfilling those requirements can be achieved by a multiphase approach which is implemented with a six-phase ...
Philipp Hollstegge   +2 more
doaj   +1 more source

Three‐phase algorithm for independent single‐phase grid frequency estimation under grid disturbances

open access: yesIET Generation, Transmission & Distribution, 2023
This paper reports an algorithm for quick and precise estimation of the single‐phase grid frequency under DC offset and both odd and even harmonics. The proposed single‐phase grid frequency estimation method is derived from a three‐phase relation.
Md. Shamim Reza, Md. Maruf Hossain
doaj   +1 more source

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