How many earthings are provided for a 250KVA distribution
transformer?
Answer Posted / ars326
1.Transformer tank
2.Neutral
3.lightning arrestor
| Is This Answer Correct ? | 9 Yes | 3 No |
Post New Answer View All Answers
Define open loop control system.
What is the difference between hot and cold loop testing?
Why collecting electrode of ESP to be earthed
What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?
WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC
How to Decide the Location of Earth pit for Compressor in Oil Depo? and How to measure the resistance of earth pit Pls explain me with the help of Circuit Diagram?
how to do the ductor test?
Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.
what is allowable ac mixing in dc
Define step response?
if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side
what is the purpose of high speed earth switch in gas insulated substat
what is the use of Auto re-closer?
Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics