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advantages of sf6 mixture maintenance in Bulgaria

advantages of sf6 mixture maintenance in Bulgaria

SF6 Gas Leakage TestMaintenance of Hydraulic Operating MechanismMaintenance of Pneumatic Operating MechanismWe can do SF6 gas leakage test either by soap water or a SF6 detector. But the latter is more preferable. If we detect any leakage, we must rectify the same preferably in presence of competent engineer of the manufacturer. At the same time we can fill up the CB with the new SF6 gasto makeup the pressure loss. Again sometimes, the leakage may be so small, that we cannot detect it even with the help of a gas detector. At that time, we may cover each of the joints of CB poles as well as the joints of the SF6 gas piping network with polyethylene sheets. Since the SF6 gasis heavier than air, it will not diffuse away in the air easily. Instead it will accumulate inside the polythene sheets slowly. After 24 to 48 hours, we check with a detector the space inside the poly sheet enclosure. Then only we may be able to arrest the leakage.See more on aboutcircuitA review on SF6 substitute gases and research status of sciencedirect/science/article/pii/S235248471730117801/11/2018Since SF 6 GIS was operated in Germany for the first time in 1967, it has been rapidly and widely used in high-voltage power and in high-voltage power system, extra high-voltage power system and ultra-high-voltage power system because of its high reliability, low maintenance cost, small footprint, and flexible configuration Chu (1986), Christophorou et al. (1997), Tominaga et al. (1981).

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