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Power tests successfully performed by SuperGrid Institute for the FastGrid Project

2020-07-30T14:59:24+02:00juillet 30th, 2020|Appareillage électrique haute tension|

We are currently analysing the experimental data issue from these power tests in order to write our report for the project.

SuperGrid Institute demonstrates the partial discharge behaviour of SF6 subtitute gases which can be used in the future HVDC GIS as part of the PROMOTioN project

2020-03-13T15:53:45+01:00mars 4th, 2020|Appareillage électrique haute tension, Evenement|

SuperGrid Institute will be able to develop an effective partial discharge monitoring system for the future SF6 free high voltage equipment.

Partial Discharge Behavior of Protrusion on High Voltage Conductor in GIS/GIL under High Voltage Direct Current: Comparison of SF6 and SF6 Alternative Gases

2020-04-02T15:15:10+02:00février 28th, 2020|Appareillage électrique haute tension, Publications|

Recent studies have demonstrated that fluoronitrile (FN) NovecTM 4710 and fluoroketone (FK) NovecTM 5110 show higher dielectric strength than SF6. These gases can be mixed with a buffer gas such as CO2 and technical air to have suitable dielectric properties for high voltage insulation applications.

Phd Paolo ERRANTE « Liquid Spray Injection inside the expansion volume of a CO2 High Voltage Circuit Breaker »

2020-02-12T10:21:26+01:00février 5th, 2020|Appareillage électrique haute tension, Phd|

In the framework of the research activities of the High Voltage Substation Equipment program of SuperGrid, it has been proposed to introduce such species by means of an evaporative liquid spray. The interaction between injected droplets and the mixture of hot gases successively flowing into the chamber and vented outside the chamber during the mechanical separation of the electric contacts should allow spray evaporation and transport of the modified gas mixture towards the arc region.