20/05/2020Photo from RH system company gas analyst model 973. SF6 gas plays a key role in switchgears and the percentage of gas purity has a direct effect on the switching.. Commercially, SF6 is supplied in pressurized bottles or liquid tanks. The gas of these bottles has a minimum degree of purity of 99.9% and may possess the following impurities according to IEC 60376:
[email protected]27/4/2021Siemens Energy has been awarded a contract to deliver ten bays of sulfur hexafluoride(SF 6)-free gas-insulated switchgear (GIS) to Fingrid, Finland's transmission system operator. It will be the first GIS in Finland that replaces SF 6 as the most potent greenhouse gas in the world with "clean air", a pure mixture of nitrogen and oxygen with zero potential for global warming.
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Get PriceOct 12, 2021A GIS solution using pure air also removes the need for complex and costly gas recycling, which minimizes the Total Cost of Ownership of the equipment. The rollout of RM AirSeT is a part of Schneider's 'Grids of the Future' program and a milestone in in its progress towards producing a complete portfolio of SF6-free switchgear by 2025.
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