These circuit breakers are mainly used for switching and protection of networks from 12 to 36 kV in primary and secondary power distribution. The auto compression breaking technique used in these circuit breakers means that making or breaking all types of compacitive or inductive currents can be achieved without dangerous overvoltages for the switchgear connected to the
[email protected]Quantitative sulphur hexafluoride is a Spain,21. As compared to air the relative dielectric strength of sulphur hexafluoride is nearly (A) 1.5 times (B) 2.5 times-Answer (C) 4.0 times (D) 5.0 times. 22. The electrical breakdown strength of insulating materials depends on (A) nature of applied voltage
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Get PriceA circuit breaker in which Sulfr hexafluoride under pressure gas is used to extinguish the arc is called gaz sf6 circuit breaker. insulating gas (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 gaz sf6 circuit breaker is mainly divided into three types
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