Results 21 to 30 of about 884,436 (268)

New Power Sharing Control for Inverter-Dominated Microgrid Based on Impedance Match Concept

open access: yesThe Scientific World Journal, 2013
Power flow control is one of the most important issues for operating the inverter-dominated autonomous microgrid. A technical challenge is how to achieve the accurate active/reactive power sharing of inverters. P-F and Q-V droop control schemes have been
Herong Gu   +4 more
doaj   +1 more source

Efficiency Comparison of Electric Wheel Loader Powertrains with Dual Motor Input in Distributed Driving Modes

open access: yesWorld Electric Vehicle Journal, 2023
The presented research on electric wheel loaders lacks a detailed analysis of drive energy-saving during the shovel preparation phase, which is characterized by a high probability of loader tire skidding.
Xiaotao Fei   +3 more
doaj   +1 more source

Implementing SVPWM Technique to an Axial Flux Permanent Magnet Synchronous Motor Drive with Internal Model Current Controller [PDF]

open access: yes, 2010
This paper presents a study of axial flux permanent magnet synchronous motor (AFPMSM) drive system. An internal model control (IMC) strategy is introduced to control the AFPMSM drive through currents, leading to an extension of PI control with ...
Darba, Araz   +2 more
core   +2 more sources

A Granular Computing Method for Economic Dispatch Problems With Valve-Point Effects

open access: yesIEEE Access, 2019
This paper presents a granular computing method (GrC) for the economic dispatch (ED) problems with valve-point effects to reduce the computational dimension and improve the solving accuracy.
Xueping Li, Anyi Li, Zhigang Lu
doaj   +1 more source

Wireless Piezoelectric Motor Drive

open access: yesActuators, 2023
Nanopositioners with embedded piezoelectric motors are used in a variety of industries, from microscopy to laser processing or measurement systems. A concrete example would be fine-tuning of multiple mirror or lens units in a system.
Burhanettin Koc   +2 more
doaj   +1 more source

Over Modulation Strategy of Power Converters: A Review

open access: yesIEEE Access, 2018
With the increasingly prominent global energy problem, renewable energy technology has gradually become the focus of attention. The development and utilization of the pulse width modulation (PWM) converter is the key link of renewable energy technology ...
Xiaoqiang Guo, Meiling He, Yong Yang
doaj   +1 more source

An Integral Battery Charger with Power Factor Correction for Electric Scooter [PDF]

open access: yes, 2009
This paper presents an integral battery charger for an electric scooter with high voltage batteries and interior-permanent-magnet motor traction drive.
Armando, Eric Giacomo   +2 more
core   +2 more sources

Magnetic Functional Integrated DC Motor Drive

open access: yesIEEE Access, 2020
This paper presents the concept of magnetic functional integrated DC motor drive. It uses the field winding of a wound-field DC motor as the inductor of its drive circuit.
Lei Shen
doaj   +1 more source

Longitudinal imaging in C9orf72 mutation carriers: Relationship to phenotype

open access: yesNeuroImage: Clinical, 2016
Expansion mutations in the C9orf72 gene may cause amyotrophic lateral sclerosis (ALS), frontotemporal dementia (FTD), or mixtures of the two clinical phenotypes. Different imaging findings have been described for C9orf72-associated diseases in comparison
Mary Kay Floeter   +5 more
doaj   +1 more source

Investigation of Motor Supply Signature Analysis to Detect Motor Resistance Imbalances [PDF]

open access: yes, 2015
The trend to use inverter drives in industry is well established. It is desirable to monitor the condition of the motor/drive combination with the minimum of system intervention and at the same time retaining compatibility with the latest generation of ...
Ashari, Djoni   +3 more
core  

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