Results 81 to 90 of about 3,069,941 (348)

Data-driven online temperature compensation for robust field-oriented torque-controlled induction machines [PDF]

open access: yes, 2019
Squirrel-cage induction machines (IMs) with indirect field-oriented control are widely used in industry and are frequently chosen for their accurate and dynamic torque control.
Bozalakov, Dimitar   +4 more
core   +3 more sources

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

To develop an efficient variable speed compressor motor system [PDF]

open access: yes, 2007
This research presents a proposed new method of improving the energy efficiency of a Variable Speed Drive (VSD) for induction motors. The principles of VSD are reviewed with emphasis on the efficiency and power losses associated with the operation of the
Mohd. Yatim, Abdul Halim   +1 more
core  

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

open access: yesFEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva   +5 more
wiley   +1 more source

Speed Estimation of Induction Motor Using Model Reference Adaptive System with Kalman Filter

open access: yesAdvances in Electrical and Electronic Engineering, 2013
The paper deals with a speed estimation of the induction motor using observer with Model Reference Adaptive System and Kalman Filter. For simulation, Hardware in Loop Simulation method is used.
Pavel Brandstetter, Marek Dobrovsky
doaj   +1 more source

Three-phase power factor controller with induced EMF sensing [PDF]

open access: yes, 1984
A power factor controller for an ac induction motor is provided which is of the type comprising thyristor switches connected in series with the motor, phase detectors for sensing the motor current and voltage and providing an output proportional to the ...
Nola, F. J.
core   +1 more source

Experimental High-Frequency Parameter Identification of AC Electrical Motors [PDF]

open access: yes, 2007
In order to predict conducted electromagnetic interference in inverter-motor drive systems, high-frequency (HF) motor models are requested and the involved parameters have to be available.
Boglietti, Aldo   +2 more
core   +1 more source

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Improving Performance of Squirrel Cage Induction Motor Used in Submersible Pumps

open access: yesElectrical Engineering and Energy
This study examines the design of a three-phase induction motor used in submersible pumps. The motor considered is a 380V, 50Hz, 75Hp, 2-pole, 8" three-phase induction motor. The targeted induction motor performance is high efficiency at the rated load.
Mümtaz Mutluer
doaj   +1 more source

Reduction of source current harmonics in ANN controlled induction motor

open access: yesAlexandria Engineering Journal, 2018
Harmonics generated by the nonlinear loads is a serious concern to the power system engineers as it adversely affects the power quality of the system. Recently, many findings focus on reducing the harmonics by introducing various topologies of the filter
A. Sivakumar, N.B. Muthu Selvan
doaj   +1 more source

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