Results 51 to 60 of about 1,718,853 (194)

FEM approach for diagnosis of induction machines' non-adjacent broken rotor bars by short-time Fourier transform spectrogram

open access: yesThe Journal of Engineering, 2019
Rotor electrical faults are an issue frequently encountered when applying condition monitoring and fault diagnosis on induction machines. The detection via the analysis of the stator current becomes challenging when the rotor cage suffers from multiple ...
Panagiotis A. Panagiotou   +5 more
doaj   +1 more source

Experimental Observation of Four-Photon Entangled Dicke State with High Fidelity [PDF]

open access: green, 2007
Nikolai Kiesel   +4 more
openalex   +1 more source

The political economy of state responses to infectious disease [PDF]

open access: bronze, 2021
Christopher J. Coyne   +2 more
openalex   +1 more source

The Effect of a Variable Cantilevered Stator on 1.5-Stage Transonic Compressor Performance

open access: yesInternational Journal of Turbomachinery, Propulsion and Power
Future aero engine designs must address environmental challenges and meet noise and emissions regulations. To increase efficiency and reduce size, axial compressors require higher pressure ratios and a more compact design, leading to necessary ...
Benedikt Radermacher   +6 more
doaj   +1 more source

Investigation of wound rotor induction machine vibration signal under stator electrical fault conditions

open access: yesThe Journal of Engineering, 2014
This paper investigates wound rotor induction machine torque and vibration signals spectra for operation with and without a stator short-circuit or open-circuit winding fault.
Sinisa Djurović   +2 more
doaj   +1 more source

Interval training in the fed or fasted state improves body composition and muscle oxidative capacity in overweight women [PDF]

open access: bronze, 2013
Jenna B. Gillen   +4 more
openalex   +1 more source

Minimizing Mutually Coupled Switched Reluctance Machine's Stator Volume by Stator Yoke Optimization

open access: yesBalkan Journal of Electrical and Computer Engineering, 2019
In parallel with the increased production of electric vehicles, the research on electric motors has become very popular. Switched Reluctance Machines (SRMs) have been widely preferred in these investigations. Mutually Coupled Switched Reluctance Machine (MCSRM) has higher torque performances than conventional SRMs have.
Cihan ŞAHİN   +2 more
openaire   +3 more sources

Comprehensive fault ride-through scheme for doubly-fed induction generators

open access: yesThe Journal of Engineering, 2019
With the growth of wind energy penetration in electricity transmission grids, fault ride-through (FRT) ability is required in order to maintain the uninterrupted operation of wind farm in voltage disturbance scenarios.
Fan Cheng   +4 more
doaj   +1 more source

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