Interested to Buy Any Domain ? << Click Here >> for more details...
Is CBCT protect human life? If yes than how?
- 1 Answers
- 2637 Views
- Torrent Power, I also Faced
- E-Mail Answers
Answer Posted / vyas pratik
is normally of the RING type, through the centre of which is passed CABLE that forms the primary winding. An earth fault relay, connected to the secondary winding, is energised only when there is residual current in the primary system.
The advantage in using this method of earth fault protection lies in the fact that only one CT core is used in place of three phase CT’s whose secondary windings are residually connected. In this way the CT magnetising current at relay operation is reduced by approximately three-to-one, an IMPORTANT consideration in sensitive earth fault relays where a low effective setting is required. The number of secondary turns does not need to be related to the cable rated current because no secondary current would flow under normal balanced conditions.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
What is maximum power transfer theorem?
How to prepare electrical preventive maintenance plan & shedule of machine tools in manufacturing unit.
Explain Energy and Power signals?
How it can worked plc based electrical system And which type of software using.
Why is tan-delta test and capacitor measurement done on alternator?
How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend
Why different Pressure switch used in marine boiler water circulation system
What is distance between electrical panel to land ?
How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?
In parallel operation time both NGR’s close or not close if both close what will happen
what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?
why the value of k is more in shell typr transformers?
what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY
As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?
What is time invariant system?
