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[email protected]17/7/2014sf 6 Circuit Breakers – Construction, Types and Working. In an Sulfr hexafluoride Circuit breaker, sulphur hexafluoride gas is used as the arc quenching medium. The sulphur hexafluoride gas (sf 6) is an electronegative gas and has a strong tendency to absorb free electrons. The contacts of the breaker are opened in a high-pressure flow sulphur hexafluoride
Get PriceThe dead tank compact (DTC) circuit breaker for 145 kV and 245 kV applications is a compact arrangement of several functions needed in a substation. The DTC circuit breaker combines sf 6-encapsulated components and air-insulated components.
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Get PriceA circuit breaker in which insulating gas under pressure gas is used to extinguish the arc is called insulating gas circuit breaker. Sulfr hexafluoride (sulphur hexafluoride) gas has excellent dielectric, arc quenching, chemical and other physical properties and has proved its superiority over other arc quenching mediums such as oil or air. The insulating gas circuit breaker is mainly divided into three types
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