Results 11 to 20 of about 984,438 (297)
Vancomycin-Resistant Enterococcus faecium Sterilization and Conductivity Change by Impulse Voltage [PDF]
Microorganisms, 2023 Owing to the increased use of antibiotics, drug-resistant strains, including those that are resistant to the antibiotic vancomycin, have emerged, which has become a major problem.
Takahisa Ueno +2 more
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Comparative Measurement Accuracy Analysis of an Optical Medium Voltage Transducer Pre- and Post-Lightning Impulse Testing [PDF]
SensorsThis paper reports on the performance of an optical voltage transducer (MVT) module after undergoing lightning impulse withstand tests. The device was designed to monitor the output voltage of a dedicated capacitive voltage divider (CVD) to facilitate a ...
Grzegorz Fusiek, Pawel Niewczas
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Calibration of impulse high-voltage test systems above 500 kV peak: implementation and evaluation [PDF]
Scientific ReportsThe rapid technological advancements of today have ushered in a new era of impulse high-voltage testing equipment capable of reaching high voltage ranges. Traditional calibration methods fall short in calibrating such high voltage equipment.
Ahmed S. Haiba
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EnergiesThis study examines and compares the breakdown and aging properties of five insulating liquids. Additionally, the influence of different voltage polarities on these properties was analyzed to investigate the effect of aging on polarity behavior under ...
Sabrina Krügel, Ronald Plath
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Energies, 2021 Power capacitors suffer multiple impulse voltages during their lifetime. With the multiple impulse voltage aging, the internal insulation, oil-film dielectric may deteriorate and even fail in the early stage, which is called accumulative effect.
Chenmeng Zhang +5 more
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Development of a Wideband Precision Electric Field Measuring Sensor
Sensors, 2023 High-voltage electric field measurement technology has certain applications in electric field measurement of power systems, but due to the limitation of its measurement accuracy and bandwidth, it cannot be used for the measurement of lightning-impulse ...
Zhaozhi Long +6 more
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Evaluation of Lightning Impulse Test by Frequency Response Analysis [PDF]
, 2006 In this work are presented the basis for improving the interpretation of transformer lightning impulse test and the development of a graphical user interface system, which allows comparisons of time domain data and frequency response.
Jorge Ramirez +3 more
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On the Characterisations of the Impulse Breakdown in High Resistivity Soils by Field Testing
Energies, 2021 This paper presents experimental results of high-current impulse tests on six ground electrode configurations. A high impulse current generator is employed to inject different magnitudes of current into these rod electrodes, under both positive and ...
Abdul Wali Abdul Ali +1 more
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Impulse-driven surface breakdown data : a Weibull statistical analysis [PDF]
, 2012 Surface breakdown of oil-immersed solids chosen to insulate high-voltage, pulsed-power systems is a problem that can lead to catastrophic failure. Statistical analysis of the breakdown voltages, or times, associated with such liquid-solid interfaces can ...
Given, M +7 more
core +4 more sources
A Novel VSG Control Strategy for UPS Voltage Source Inverter with Impulsive Load
Energies, 2022 This paper proposes a novel control strategy to alleviate the impulsive current for Uninterruptible Power Supply (UPS), which is designed based on the theory of virtual synchronous generator (VSG) and dynamic switching method.
Guofeng He +4 more
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