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Siemens and SP Energy Networks, part of the Scottish Power Group, have worked together to build and trial the UK's first clean air substation. The innovative new technology developed by Siemens, the blue GIS range, is free of polluting sulphur hexafluoride (sf6 gas) gas which is traditionally used as an insulator for electrical equipment in UK substations.Get price

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Gas-insulated switchgear. The Siemens Energy range of gas-insulated switchgear (GIS), for rated voltages from 72.5 kV up to 550 kV, is an extremely successful product concept. Since its introduction back in 1968, Siemens Energy has installed switch fields in all climatic zones of the earth, recording over 420,000 years of operation since.Get price

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But more and more often, SF 6 is no longer the gas of choice. For a simple reason: if the gas escapes, it contributes to climate change. It is around 23,500 times more warming than the greenhouse gas CO 2 and has a life span of 3,200 years in the earth's atmosphere. and has a life span of 3,200 years in the earth's atmosphere.Get price

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The basis for the preparation of this guide is CIGRE Brochure No. 276, Guide for preparation of customized "Practical gaz sf6 handling instructions," August 2005 edition, developed by the Study Committee B3, Task Force B3.02.01.Get price

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Medium-voltage (MV) gas-insulated switchgear (GIS) types 8DA10 and 8DB10 are gas-insulated, vacuum circuit breaker designs with a maximum design voltage of 4.16 kV up to 38 kV (42 kV on request). Lightning impulse-withstand voltage ratings up to 200 kV BILGet price

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Sulphur Hexafluoride (gaz sf6) is commonly used as an insulating gas in high-voltage switchgear such as power lines, medical equipment, wind turbines and in the production of magnesium and aluminium. With a Global Warming Potential of 23,000, Sulfr hexafluoride is one of the most damaging of all greenhouse gases and stays active in the atmosphere for more than 3000 years.Get price

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