what will be the minimum megger value for 132 Kv (earthed)
potential transformer
Answer Posted / haikal
As general rule in using megger is 1 MOhm/kV, so minimum
value is 132 MOhm.
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
direction of tarbine& genrator
-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.
We normally make oil soak pits under Transformers. Oil from soak pit goes to collection pit. We provide granules/pebbles under transformers. My question is weather granules/ pebbles to be filled in soak pit or not? if yes upto what level?
WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??
What is dielectric loss?
How to Calculate Transformer Earthing Electrode Rod Size both Body and neutral Earthing ? Any Standard Formula? Please Suggted
draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it
What is control system?
Comment on the working principle of operation of a single-phase transformer.
While converting delta into star or star into delta ,the three values of resistances remains unchanged .Find out the value?Let In star R1=x;r2=x;R3=x On converting into delta,R12=x;R23=x;R31=x Find the value of x
How to calculate approximate load loss of a distribution transformer by knowing %ge imp of transformer?
why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor
current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer
Why is water motor not taking the pressure? what is the problem?
defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?