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Aug 23, 2017SF 6 is widely used for several decades in high and medium voltage switchgear as insulating medium. Indeed, thanks to its excellent physical properties, low toxicity and high stability, SF 6 brought numerous advantages like compactness, effectiveness, reliability, However, despite these very interesting properties, this gas has a very high global warming potential (GWP = 22,800), and for this …
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17/7/2014SF6 Circuit Breakers – Construction, Types and Working. Categories Circuit Breaker, Power System, Substation, Switchgear. In an SF6 Circuit breaker, sulphur hexafluoride gas is used as the arc quenching medium. The sulphur hexafluoride gas (SF6) is an electronegative gas and has a …
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The fluoroketone based SF6 alternative gas mixture is a chemical compound developed for switchgear applications by Hitachi ABB Power Grids in collaboration with 3M. It has a dielectric performance similar to SF6 when utilized in indoor applications, but with very low Global Warming Potential (GWP)*.
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