we used only SF6 circit braker not SF6 vaccume ckt braker. some year ago A

HOW many type of Circut Breaker in the world used in 400 kv
substation?

Question Posted / ashish patil

Answer Posted / ashish patil

we used only SF6 circit braker not SF6 vaccume ckt braker.
some year ago Air blast circit braker was also used.

Is This Answer Correct ?

38 Yes

12 No

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