<abstract xmlns="http://www.w3.org/1999/xhtml"><p>To improve the sensitive and reliability of condition monitoring in gas insulated switchgear (GIS), discharge perception system applied to GIS insulators protrusion discharge based on single ultraviolet photon is built. Step method is used to inspire the discharges of different severity, based on which, the regression relationship of ultraviolet (UV) signal and electrical signal are studied, and the perception mechanism of UV signal in different severity of discharges is analyzed. The study indicates that, the development of protrusion discharge in GIS can be divided into four stages, and there is no positive correlation between the number of ultraviolet photons caused by discharge radiation and insulation deterioration level, but related to the diffusion, migration and recombination of charged particles, then UV optical method for quantitative monitoring of discharge in each stage is provided, which provide a new method for quantitative measurement of GIS insulator discharge.</p></abstract>

To improve the sensitive and reliability of condition monitoring in gas insulated switchgear (GIS), discharge perception system applied to GIS insulators protrusion discharge based on single ultraviolet photon is built. Step method is used to inspire the discharges of different severity, based on which, the regression relationship of ultraviolet (UV) signal and electrical signal are studied, and the perception mechanism of UV signal in different severity of discharges is analyzed. The study indicates that, the development of protrusion discharge in GIS can be divided into four stages, and there is no positive correlation between the number of ultraviolet photons caused by discharge radiation and insulation deterioration level, but related to the diffusion, migration and recombination of charged particles, then UV optical method for quantitative monitoring of discharge in each stage is provided, which provide a new method for quantitative measurement of GIS insulator discharge.

Evolution mechanism of ultraviolet and electrical phenomena induced by protrusion discharge in GIS

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

To improve the sensitive and reliability of condition monitoring in gas insulated switchgear (GIS), discharge perception system applied to GIS insulators...

Evolution mechanism of ultraviolet and electrical phenomena induced by protrusion discharge in GIS

Publié en ligne: 22 sept. 2020

Pages: 268 - 273

Reçu: 06 juil. 2020

DOI: https://doi.org/10.2478/jee-2020-0036

Mots clés
GIS insulator, perception technique, single photon detection

© 2020 Fei Du et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Evolution mechanism of ultraviolet and electrical phenomena induced by protrusion discharge in GIS

Publié en ligne: 22 sept. 2020

Pages: 268 - 273

Reçu: 06 juil. 2020

DOI: https://doi.org/10.2478/jee-2020-0036

Mots clésGIS insulator, perception technique, single photon detection

© 2020 Fei Du et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
GIS insulator, perception technique, single photon detection