Results 71 to 80 of about 423,991 (310)

Comparitive study of the influence of harmonic voltage distortion on the efficiency of induction machines versus line start permanent magnet machines [PDF]

open access: yes, 2012
Induction machines have nearly reached their maximal efficiency. In order to further increase the efficiency the use of permanent magnets in combination with the robust design of the induction machine is being extensively researched. These so-called line
Debruyne, Colin   +3 more
core  

Thermal analysis of induction and synchronous reluctance motors [PDF]

open access: yes, 2005
In this paper, the thermal behavior of two induction motors (2.2 and 4 kW, four poles) and two synchronous reluctance motors [(SynRMs) transverse-laminated] are investigated and compared.
Boglietti, Aldo   +4 more
core   +1 more source

By dawn or dusk—how circadian timing rewrites bacterial infection outcomes

open access: yesFEBS Letters, EarlyView.
The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo   +2 more
wiley   +1 more source

Simulation of electrical faults of three phase induction motor drive system [PDF]

open access: yes, 2009
The title of this project is Simulation of electrical faults of three phase induction motor drive system. Induction motor or asynchronous motor is a type of alternating current motor where power is supplied to the rotor by means of electromagnetic ...
Muhammad Alif, Mohd Nor
core  

Torque prediction using the flux-MMF diagram in AC, DC, and reluctance motors [PDF]

open access: yes, 1996
This paper uses the flux-MMF diagram to compare and contrast the torque production mechanism in seven common types of electric motor. The flux-MMF diagram is a generalized version of the flux-linkage versus current (ψ-i) diagram for switched-reluctance ...
Deodhar, R.P.   +3 more
core   +1 more source

The role and implications of mammalian cellular circadian entrainment

open access: yesFEBS Letters, EarlyView.
At their most fundamental level, mammalian circadian rhythms occur inside every individual cell. To tell the correct time, cells must align (or ‘entrain’) their circadian rhythm to the external environment. In this review, we highlight how cells entrain to the major circadian cues of light, feeding and temperature, and the implications this has for our
Priya Crosby
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

RANCANG BANGUN ALAT PENGGILING BATU KAPUR MENGGUNAKAN KONTROL LOGIKA FUZZY [PDF]

open access: yes, 2011
In an increasingly advanced technological developments, the induction motor can be used in various industries, including in the process of grinding the limestone. In a small scale, induction motor used is a single phase induction motor.
Bambang Yuwono, Bayu   +2 more
core  

Frequency Extraction of Current Signal Spectral Components:A New Tool for the Detection of Rotor Electrical Faults in Induction Motors [PDF]

open access: yes, 2019
This work expands the classical current signature analysis in induction machines in a two-stage spectral decomposition manner. The proposed methodology can be summarized in two main steps: initially, the current signals are analyzed using a time ...
Arvanitakis, I   +3 more
core   +1 more source

Biallelic Inactivation of NSD1 Associated With Carcinogenesis in Sotos Syndrome

open access: yes
Pediatric Blood &Cancer, EarlyView.
Nicholas A. Borja   +8 more
wiley   +1 more source

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