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28/11/2013GIS is a kind of metal enclosed switchgear. That means, all the equipments of the electrical switchgear are enclosed by gas tight metal enclosure and SF 6 gas is used as insulation between live parts of the equipments and earthed metal enclosure. This type of switchgear, means, and gas insulated switchgear is available from 12 KV systems to 800

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The features of 11kV sf6 ring main unit Ring6 is a totally sealed system with a stainless steel tank containing all of the live components and switching functions.

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Oct 04, 2016The combination of vacuum interrupter units up to 145 kV for arc extinction and dry air (clean air) as high voltage insulating medium offers an additional alternative to sulfur hexafluoride (SF6) to supplement the existing insulating and arc extinction technology. Siemens has used vacuum switching technology for more than 40 years in its medium voltage switchgear as well as in high voltage circuit …

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4/2/2021Greenhouse Gas Sulfur hexafluoride (SF 6) is a synthetic fluorinated compound with an extremely stable molecular structure.Because of its unique dielectric properties, electric utilities rely heavily on SF 6 in electric power systems for voltage electrical insulation, current interruption, and arc quenching in the transmission and distribution of electricity.

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Name of Product 72.5kV Gas Insulated Switchgear (GIS) Rated Voltage(kV) 72.5 Applied Standard GIS IEC 60517(1994) / ES 6110 0002(2006) CB IEC62271 100(2008) Rated Current(A) 2000 Rated Breaking Current(kA) 20 Power Frequency Withstand Voltage(kV) / Disconnector with Surge Protection Gap

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GIS Services. Gas Insulated Substations. GE provides a full range of Gas Insulated Substations (GIS) for utilities and industries worldwide. The portfolio includes GIS solutions from 60 to 800 kV, along with secondary products to maximize switchgear and network operation. With GIS experience spanning 50 years across a …