Results 91 to 100 of about 18,552 (205)
Performance criteria guideline for three explosion protection methods of electrical equipment rated up to 15,000 volts AC [PDF]
The Bureau of Mines, U.S. Department of the Interior, is reviewing explosion protection methods for use in gassy coal mines. This performance criteria guideline is an evaluation of three explosion protection methods of machines electrically powered with ...
Dunn, J. H., Linley, L. J., Luper, A. B.
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Design of Grounding Grid for Main Substations in High Soil Resistivity Areas Based on CDEGS Software
Chengshi guidao jiaotong yanjiuObjective To address the difficulty of reducing the grounding resistance of main substations in high soil resistivity areas, it is necessary to study the design of grounding grids for main substations in such regions.
CAO Jianshe
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BEHAVIOUR OF BACKFILL MATERIALS FOR ELECTRICAL GROUNDING SYSTEMS UNDER HIGH VOLTAGE CONDITIONS [PDF]
Journal of Engineering Science and Technology, 2015 Backfill materials like Bentonite and cement are effective in lowering grounding resistance of electrodes for a considerable period. During lightning, switching impulses and earth fault occurrences in medium and high voltage networks, the grounding ...
S. C. LIM +4 more
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Void Fraction Measurment Beneath a Stationary Breaking Wave [PDF]
, 1998 Impedance based techniques have been used to quantify air entrainment by a stationary breaking wave at the bow of a ship. The present paper describes an impedance based void fraction meter which was developed to make measurements in this high speed ...
Brennen, Christopher E. +2 more
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Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2011 A method for calculation of electromagnetic parameters of single vertical grounding electrode of finite length has been developed. The results of mathematical simulation of electromagnetic parameters of the stated grounding electrodes are presented in ...
D. A. Gerasimovich, A. A. Dziaruhina
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Generation of intense negative ion beams [PDF]
, 1987 An electron gun is used with a mirror electrostatic field to produce zero or near zero velocity electrons by forming a turning point in their trajectories.
Aladzhadzhyan, Samuel H. +2 more
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Experimental breakdown of selected anodized aluminum samples in dilute plasmas [PDF]
Anodized aluminum samples representative of Space Station Freedom structural material were tested for electrical breakdown under space plasma conditions. In space, this potential arises across the insulating anodized coating when the spacecraft structure
Domitz, Stanley, Grier, Norman T.
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Optical gyroscope system [PDF]
, 1981 Light beams pass in opposite directions through a single mode fiber optic wave guide that extends in a circle or coil in an optical gyroscope system which measures the rotation rate of the coil by measuring the relative phase shifts of the beams by ...
Goldstein, R., Goss, W. C.
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Performance Optimization of Grounding System for Multi-Voltage Electrical Installation
Applied SciencesGrounding systems are critical for ensuring electrical safety, fault current dissipation, and electromagnetic compatibility in power installations across different voltage levels.
Md Tanjil Sarker +3 more
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Electromagnetic compatibility in myoelectrode amplifiers: Isolation, impedance and CMRR [PDF]
, 2010 SUMMARY: Electromagnetic compatibility of myoelectrode amplifiers for prosthetic control is important for safe operation in electrically noisy conditions.
Poulton, Adrian
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