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Influence of thermal aging on the breakdown characteristics of transformer oil impregnated paper
For a long time, thermal effect, as a major factor for insulation aging, is a great challenge to the safe operation of power transformers. During the decades-long operation, cellulose fibersExpand
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Impact of time parameters of lightning impulse on the breakdown characteristics of oil paper insulation
At present, the insulation performances of electrical apparatus under lightning impulse voltages are always evaluated by the withstand test of standard lightning impulse voltage (1.2/50 µs), which isExpand
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Visible light-degradation of azo dye methyl orange using TiO2/β-FeOOH as a heterogeneous photo-Fenton-like catalyst.
In this study, a novel TiO2/β-FeOOH composite photocatalyst was synthesized by a hydrothermal method. X-ray diffraction, Fourier transform infrared spectrum, UV-vis diffuse reflectance spectra andExpand
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Study on voltage-number characteristics of transformer insulation under transformer invading non-standard lightning impulses
According to the IEC Standard, the insulation performances of power apparatus under lightning impulse voltages are evaluated by the withstand test of standard lightning impulse voltage, with the waveExpand
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Effect of space charge on the accumulative characteristics of oil paper insulation under repeated lightning impulses
Repeated impulses have long been considered to affect the insulation properties of electrical equipment. This interesting but rarely studied phenomenon may pose great risks to the reliable operationExpand
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Fractals in several electrode materials
Abstract In the present paper, the fractal properties of boron-doped diamond (BDD), mixed metal oxide (MMO) and activated carbon fiber (ACF) electrode have been studied by SEM imaging at differentExpand
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Accumulative effect of repeated lightning impulses on transformer insulation: mechanism analysis
During the decades-long operation, oil paper insulation in power transformers may suffer the effect of thousands of lightning impulses. Such interesting but rarely studied phenomenon, also known asExpand
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Multiplexable high-temperature stable and low-loss intrinsic Fabry-Perot in-fiber sensors through nanograting engineering.
This paper presents a method of using femtosecond laser inscribed nanograting as low-loss- and high-temperature-stable in-fiber reflectors. By introducing a pair of nanograting inside the core of aExpand
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Influence of Elevated Temperature on the Mechanical and Thermal Performance of BFRP Rebar
Compared to glass fiber reinforced polymer (GFRP) rebars, basalt fiber reinforced polymer (BFRP) rebars possess many advantages as internal reinforcement of concrete structures, in terms of theExpand
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