Interested to Buy Any Domain ? << Click Here >> for more details...
What should be the setting of an earth fault relay.
- 2 Answers
- 5609 Views
- HP, I also Faced
- E-Mail Answers
Answer Posted / k.prakashchandra
Normally 20% of OCR setting in case of OCR+EFR scheme.In
other cases 3- 10 %
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly
What are the different losses In a de mac1une'! t.xplam
what's the exact magnitude of current, flows through Neutral?
The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power
Give atleast 20 alternating current apparatus and devices.
Name the component u would expect to find in a switchgear assembly?
what is meant by motor startup supervision & motor load jam protection ?
HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS
What is a fuse? How does it work? What are materials used?
can we find the inductance of a induction motor?
why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?
Why computer humming sound occurred in ht transmission line?
how oti and wti connections are different from each other?
What is called grain-oriented laminations?
how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment
