what happens if sf6ckt breaker gas pressure is high or low about the actual rati

what happens if sf6ckt breaker gas pressure is high or low about the actual rating of gas pressure(5kg/cm2)

Question Posted / venkat reddy

2 Answers
3544 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

what happens if sf6ckt breaker gas pressure is high or low about the actual rating of gas pressure(5..

Answer / ashish sahebrao tekade

If there is a low pressure the arc quenching time of current is low, thats why relay got large time to operate. If there is high pressure of sf6 gas there is a possibility to break a bottle of sf6 gas filled which is harmful of machinery

Is This Answer Correct ?

4 Yes

0 No

what happens if sf6ckt breaker gas pressure is high or low about the actual rating of gas pressure(5..

Answer / k.prakashchandra

And the contacts may get damaged due to prolonged arcing

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

why we maintain 50hz ,220volts,20Amp,ratings fixed every where in india,,electricity

1 Answers

what is the purpose of high speed earth switch in gas insulated substat

0 Answers ABB,

WITCH CARDS IN USE IN FIRE CONTROL PANEL.

0 Answers

What is the main uses of VCB & ACB?

2 Answers

A 6.6 KV motor breaker is try to Drack OUT by me while the motor running. What will Happened? a, will Trip. b,Drack Out lever will not access c, will get shock d, noting will happened

4 Answers

In power generator sets, when they are coverted from 50hz to 60hz, the kva rating after conversion increases. For example, the manufacturer of a perkins 200kva @ 50Hz generator set has mentioned it to become 220kva after converstion to 60hz. What is the relation between the frequency & the KVA rating. Any formula please.

3 Answers

Explain the propagation of harmonics in the network and influence of phase angle of harmonics.

0 Answers

What are the relays in ACB and VCB

0 Answers ABB, Bhel,

In an electrical conductor, if current flows because of flow of electrons, then why not the conductor gets thinner day by day???

1 Answers

i asked a funny question in Electrical ohms law V=IR in const temp voltage is directly proportional to current Power p=VI cos@ in that formula Voltage is indirectly proportional to current Try to give me the fact what is happening in Electrical.. contact Thanigai_1984@yahoo.co.in

3 Answers

What are the different protection systems takes place on control panel board?

7 Answers BSNL,

how we select the fuse and OLR rating for 3 phase induction motor from 1HP TO 100 HP?

2 Answers Thermax,

For more Electrical Engineering Interview Questions Click Here