Results 31 to 40 of about 11,911 (300)
Applied Sciences, 2020 Insulation defects that occur in gas-insulated switchgear (GIS), which is one of the most important types of equipment in the power grid, can lead to serious accidents.
Weijia Yao +4 more
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Gong-kuang zidonghua, 2020 Collect screen paperboard of mine power transformer and ordinary power transformer in practical lifetime cycle to make insulation test samples, and according to the standard of power, use test means such as viscosity tester, scanning electron microscopy ...
ZHOU Yiheng +3 more
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, 2022 Superficial defects in the insulation layers of aviation cables can cause serious failures of and disasters for aircraft. Considering the critical importance of safety for aircraft, there is a need to develop a nondestructive technique to detect these ...
Fang Wen, Jie Jin
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Whitehead memorial lecture: Challenging defects of high voltage insulation systems [PDF]
, 2019 The primary function of a high voltage insulation system is to prevent the flow of electric current between oppositely charged conductors, facilitate heat transportation and provide mechanical support throughout a long service lifetime of more than 30 ...
Ildstad, Erling
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Diance yu yibiaoIn the detection of power cable insulation defects, the accurate location and degree evaluation of insulation defects are crucial to the planned overhaul work of power cable.
SI Jie, CHEN Zhi, ZHAO Jian, ZHOU Yuxiao
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Thermal Insulation Mechanism, Preparation, and Modification of Nanocellulose Aerogels: A Review
Molecules, 2023 Energy problems have become increasingly prominent. The use of thermal insulation materials is an effective measure to save energy. As an efficient energy-saving material, nanocellulose aerogels have broad application prospects.
Yueqi Wu +4 more
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Identification of PD sources and insulation technologies in rotating machines
, 2015 Results of investigations having the purpose to correlate Partial Discharge (PD) patterns to specific defect typologies that can affect the GVPI insulation of MV stator windings, are summarized in this paper.
Aizza, Marco +7 more
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PD ACCEPTANCE TESTS FOR GVPI INSULATION OF ROTATING MACHINES
, 2017 Purpose of the paper is to show how the combination of PRPD-shape analysis and pulse-signal separation allow a significant improvement with respect on pass/fail criteria based only on PD amplitude threshold levels provided in pC with calibration or in mV
C. Vital De Sena +3 more
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Research on improved YOLOv8 algorithm for insulator defect detection
Journal of Real-Time Image Processing, 2023 Abstract With the rapid advancement of artificial intelligence technologies, drone aerial photography has gradually become the mainstream method for defect detection of transmission line insulators. To address the issues of slow recognition speed and low accuracy in existing detection methods, this paper proposes an insulator defect detection ...
Lin Zhang +4 more
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High Voltage, 2023 In this paper we investigated SF6 decomposition behaviour of typical insulation defects in gas‐solid insulated converter transformer valve‐side bushing under partial discharge (PD).
Hongtu Cheng +6 more
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