Results 151 to 160 of about 421,517 (209)

The impulse characteristics of porcelain insulators

Journal of the Institution of Electrical Engineers - Part I: General, 1941
This report deals with the flashover voltage of insulators and gaps subjected to impulse voltages of different wave-shapes, with the relation between crest voltage and time to flashover at voltages above the minimum required for flashover, with breakdown while the voltage is rising rapidly, with the simultaneous application of impulse and alternating ...
G.W. Bowdler, W.G. Standring
openaire   +1 more source

Characteristics of Impulsive Suicide Attempts and Attempters

Suicide and Life-Threatening Behavior, 2002
Suicide attempts often are impulsive, yet little is known about the characteristics of impulsive suicide. We examined impulsive suicide attempts within a population‐based, case‐control study of nearly lethal suicide attempts among people 13–34 years of age.
O R, Simon   +5 more
openaire   +2 more sources

Complex Impulses and Their Shear Characteristics

Cybernetics and Systems Analysis, 2016
The authors introduce the concepts of complex impulse, shear measure of intersection of two impulses, comb impulse, and chaotic impulse. The upper and lower estimates of the probability of at least one intersection are given, and the theorem about the upper estimates in intersection of comb impulses is formulated and proved.
O. V. Koba, O. M. Kucheryava
openaire   +1 more source

Impulse transient characteristic of grounding grids

2002 3rd International Symposium on Electromagnetic Compatibility, 2003
The lightning transient characteristics of a substation grounding grid are analyzed in detail, especially considering the dynamic and nonlinear effects of soil ionization around grounding conductors and the inductance between grounding conductors. The analysis results are calculated by a loss transmission-line model with distributed time-variable ...
null Gao Yanqing   +3 more
openaire   +1 more source

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