SF6 STAGE-1, STAGE-2 BLOCKING SCHEME

myasirj62

Member
Location
Saudi Arabia
Occupation
Electrical Engineer
Hello, can anyone please explain to me SF6 Stage-1, Stage-2 blocking scheme.
I am facing this issues in one of my projects.

1- Purpose
2- Procedure
3- Testing
 

jim dungar

Moderator
Staff member
Location
Wisconsin
Occupation
PE (Retired) - Power Systems
Hello, can anyone please explain to me SF6 Stage-1, Stage-2 blocking scheme.
I am facing this issues in one of my projects.

1- Purpose
2- Procedure
3- Testing
SF6 is simply an insulating medium, although it is typically used with circuit breakers.

Are you asking about testing the protective relays and schemes that control the circuit breakers?
 

myasirj62

Member
Location
Saudi Arabia
Occupation
Electrical Engineer
SF6 is simply an insulating medium, although it is typically used with circuit breakers.

Are you asking about testing the protective relays and schemes that control the circuit breakers?
Yes, my question is about the auxiliary relays and protection relays used for it.
Additionally, the configuration that to be done in existing smart RMU.
 
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