Why not connect relay
Y phase for over
current and earth fault
Answer Posted / k.prakashchandra
You can provide OCR to Y phase . EFR is connected to any
phase . In case of 2 OCR + 1 EFR scheme ,EFR is not
connected to Y phase . You think so ,as OCR s are provided
to R and B phases
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
Sir pl provide 5 year sample paper for post junior engineer(electrical).I have currently applied for junior engineer (electrical) on RRB Ajmer
how to calculate the settings for shaft ct protn in hydro generators
What are the disadvantages of thermal power plant?
Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?
what is the difference between 2 way and 4 pole selector switch???
how to handle 2500 kva transformar
What are reasond for high wattage in single phase induction motors
Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?
A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks
Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere
in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)
i need previous entrence exam papers of nhpc.
difference between semiconductor & conductor & insulator?
What are the uses of stepper motor?