Results 31 to 40 of about 612,817 (305)

Frequency Analysis of Partial Short-Circuit Fault in BLDC Motors with Combined Star-Delta Winding

open access: yesEnergies, 2021
This paper analyses the condition of a partial short-circuit in a brushless permanent magnet motor. Additionally, the problem was analysed for three stator winding configurations: star, delta and star-delta connection.
Mariusz Korkosz   +2 more
doaj   +1 more source

Mapping structural lineaments using the edge filters of the potential field: a case study of the Rizhao–Lianyungang area, East China

open access: yesFrontiers in Earth Science, 2023
Background: Edge enhancement plays an important role in potential field data processing and interpretation, which facilitate regional tectonic studies, mineral and energy exploration.
Yanyun Sun   +5 more
doaj   +1 more source

Estimating Residual Faults from Code Coverage [PDF]

open access: yes, 2002
Many reliability prediction techniques require an estimate for the number of residual faults. In this paper, a new theory is developed for using test coverage to estimate the number of residual faults.
A. Pasquini, M. Lipow, W. Farr
core   +1 more source

New Infeed Correction Methods for Distance Protection in Distribution Systems

open access: yesEnergies, 2021
The reliability and security of power systems may be jeopardized by the increase in the amounts of renewable generation and the uncertainties produced by these devices.
Fahd Hariri, Mariesa Crow
doaj   +1 more source

Faults in Linux 2.6 [PDF]

open access: yes, 2014
In August 2011, Linux entered its third decade. Ten years before, Chou et al. published a study of faults found by applying a static analyzer to Linux versions 1.0 through 2.4.1. A major result of their work was that the drivers directory contained up to
Calvès, Christophe   +5 more
core   +5 more sources

GEODYNAMIC FORMATION MODEL OF MIOCENE BLOCKS OF NORTH SIDE OF THE WEST KUBAN DEPRESSION

open access: yesВестник Северо-Кавказского федерального университета, 2022
The article describes the geodynamic characteristics of the West Kuban depression and its structural elements of positions of the concept of plate tectonics. A new geological model of Pribrezhno-Titarovskaya zone of dislocations.
Boris F. Galay   +3 more
doaj  

Numerical Analyses on the Stability of a Deep Coalmine Roadway Passing through a Fault Zone: A Case Study of the Gugui Coalfield in China

open access: yesEnergies, 2021
Massive deformation often occurs when deep coalmine roadways pass through a fault zone due to the poor integrity of rock mass and high tectonic stress.
Yongshui Kang   +5 more
doaj   +1 more source

Two models of hydrocarbon deposits formation in the South Caspian and Middle Kura Depressions

open access: yesГеофизический журнал
The model for the formation of hydrocarbon deposits in the South Caspian and Middle Kura depressions, despite a detailed study of the problem using geophysical and geochemical methods, remains a subject of debate.
N.P. Yusubov, I.S. Guliev
doaj   +1 more source

Lineament Extraction from Digital Terrain Derivate Model: A Case Study in the Girón–Santa Isabel Basin, South Ecuador

open access: yesRemote Sensing, 2022
Geological lineaments are linear or curvilinear surfaces that are considered a superficial expression of discontinuities on the earth’s surface.
Michelle Del Pilar Villalta Echeverria   +4 more
doaj   +1 more source

Geophysical and Geochemical Exploration of the Pockmark Field in the Gulf of Patras: New Insights on Formation, Growth and Activity

open access: yesApplied Sciences, 2023
The Patras Gulf Pockmark field is located in shallow waters offshore Patras City (Greece) and is considered one of the most spectacular and best-documented fluid seepage activities in the Ionian Sea.
Dimitris Christodoulou   +11 more
doaj   +1 more source

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