Improvement of surface flashover in vacuum
Witryna6 wrz 2024 · Surface Treatments A New Surface Treatment Method for Improving Surface Flashover Performance of Polymers in Vacuum Authors: Yongjie Nie Xi'an … WitrynaWhile surface flashover in vacuum is generally undesirable, it is necessary for the operation of triggered vacuum gaps, i.e. the “switch” for many pulse power systems. Much has been written about the mechanisms by which triggered vacuum gaps operate and many ingenious designs have been described [30–33].By way of illustration, we …
Improvement of surface flashover in vacuum
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Witryna19 sty 2024 · Combining with the results above, a model with combined effects of both kinetic and deposited electrons on surface flashover in vacuum is thus proposed, base on which the guidance for the... Witryna11 lip 2024 · Vacuum surface flashover phenomenon has been heavily studied in the past several decades 1,2,5–8 1. J. Z. ... Li, T. Zhang, J. Sun et al., “ Improvement of surface flashover performance in vacuum by Co-firing Mo/Al 2 O 3 cermets and Al 2 O 3 ceramics,” IEEE Trans. Dielectr. Electr.
Witryna9 kwi 2024 · Experimental results show that the surface flashover voltage of treated samples improves remarkably and increases with the injection energy. After ion implantation, the content of fluorine in the treated samples decreases, and the content of oxygen increases. Witryna17 cze 2024 · The movement of metal particles is effectively inhibited when a DC GIL’s (gas-insulated transmission line) electrode is coated. This article aims to study the problem of coating falling off during GIL operation and the change in the particle-inhibitory effect after coating ageing. A closed constant temperature heating …
WitrynaHence, when considering improving the electrical breakdown performance of a dielectric polymer, surface modification methods such as oxidation should be strictly forbidden. ... Yan, P.; Schamiloglu, E. Enhanced Surface Flashover Strength in Vacuum of Polymethylmethacrylate by Surface Modification Using Atmospheric-Pressure … WitrynaThe surface flashover phenomena of insulating materials in vacuum greatly weakens the overall performance of vacuum-dielectric system, which seriously limits its development. The improvement of surface flashover characteristics of insulators in vacuum becomes a significant challenge for the development of high voltage …
Witryna31 mar 2024 · The NPS were cleaned in low-salinity water with PH 7 and vacuum dried for 12 h to remove water. The EP was mixed with NPS with different mass fractions. ... It can be concluded that the effective reduction of the expansion coefficient of the electrical tree and the improvement of the breakdown lifetime in EP/SiO 2-0.5 and EP/SiO 2-1 …
Witryna9 mar 2024 · In addition, surface flashover is an important dielectric performance of insulating materials. In the process of surface flashover, arc develops along the dielectric surface [ 35 ]. Thus, the strength of arc ablation resistance can also be used to characterize the ablation during the surface flashover. chuck e cheese ad 2008Witryna8 kwi 2024 · The objective of the study was to modify the surface of the silicone rubber, using dielectric barrier discharge (DBD) to improve its hydrophilic properties. The influence of the exposure time, discharge power, and gas composition—in which the dielectric barrier discharge was generated—on the properties of the silicone … designing software for pcWitryna21 paź 2024 · In the present paper, a new three-layered 45° insulation structure is proposed and investigated to further improve the surface flashover performance of the 45° vacuum- insulator configuration This structure was prepared by inserting organic composite between the electrode and insulator With a numerical simulation method, … chuck e cheese adult swimWitryna16 lip 2024 · Polymer materials usually present lower surface flashover strength compared with their bulk breakdown strength, particuarly in a vacuum. Flashover along the solid insulation surface may pose a significant challenge to … chuck e cheese adventure 2017Witryna15 wrz 2024 · The surface modification usually accompanies with the change in surface chemistry, which is crucial to the surface electric properties such as flashover [17].In our research, XPS was used to study the effect of ozone modification on surface chemistry and the spectra is shown in Fig. 2.To analyze the chemical state of C, its structure … chuck e cheese adult lunch buffetWitrynaThe invention discloses a surface suitable for taking water from air in a low-temperature environment, and a preparation method and application thereof. The preparation method comprises the following steps: respectively mixing the nano particles and the micro particles with absolute ethyl alcohol, adding ethyl orthosilicate after ultrasonic … chuck e cheese adventure machineWitrynaSurface flashover of insulation systems is a basic issue in the field of high voltage and electrical insulation. To improve the surface flashover performance is of great … chuck e cheese adults