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GIS has excellent performance and is widely used in electric power system. Its delivery test usually is standard impact which is applied in examination of its insulation, but in the field test, the oscillating impulse voltage waveform is often used. So the assessment ability in SF6 insulation of oscillating impulse voltage and the equivalent relation of two types impulse voltages is worthy of further...
Because of its excellent performance, GIS is widely used in GRID. After produced, manufacturers will assess the insulation of GIS by LI. On the other hand, the power sector will use OLI for on-site testing. The distribution of breakdown voltage on the nodes inside GIS induced by OLI or LI is the base of test result analysis. In order to master the distribution under the two impulses, in this paper,...
The saturated hydraulic conductivity (K s ) of soil is characterized by strong spatial variability and often decreases with depth. The main objective of this paper is to investigate how the trend function of the mean of saturated hydraulic conductivity (μKs) and its spatial variability affect the distribution of critical failure surfaces and the probability of slope failure during a period...
Online fault diagnosis system should be able to detect faults, recognize fault types and update the discriminating ability and knowledge of itself automatically in real time. But the class number in fault diagnosis is not constant and it is in a dynamic state with new members enrolled. The traditional recognition algorithms are not able to update diagnosis system efficiently when the class number...
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