Circuit Breakers Sf6 11kv

Post on 13-Apr-2015

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Transcript of Circuit Breakers Sf6 11kv

SF6 CIRCUIT BREAKERS

SF6 CIRCUIT BREAKER• SF6 (sulphur-hexafluoride) gas possesses

a unique combination of properties, making it an excellent gas for use in circuit breakers. The properties are:

• High insulation strength• Excellent interrupting capability• Chemically stable even at high

temperature• Non-toxic• Non-flammable

Cont.

• Insulating capability is three times greater than that of air and at 3 bar (43.5 psi) it is even better than that of transformer oil

12KVCIRCUITBREAKER

CIRCUITBREAKERPANEL

INTERNALPARTS

CABLECOMPARTMENT

RACK OUTCIRCUITBREAKER

SF6CIRCUITBREAKER -SIDE VIEW

CIRCUITBREAKERPANEL –SHUTTERCLOSED

METERINGPANEL

INDICATOR ANDCOUNTER