I am getting differential earth fault in my transformer
realy , i have checked all its CT & control wiring but do
not get fault, Please help
Answer Posted / engineer
Check all your system(Incuding Cables and trandformer and
control circuit) From 1st CT (at HV Side)to 2nd CT at(LV
side).
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
2. What are the parameters of EHT sub-station?
I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.
Why you are switching off arc protection mcb when you are taking shutdown for lv board.
given data are load current & power factor cable core size? plz any one update the calculation formula
placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!
WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?
Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?
What is the formula to find out two phase active & reactive power
neutral earth resistance testing is it possible for transformer while in load condition
armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?
Load break swicth maintenance procedure.
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
how to measure dc earth leakage current?
define hysteresis loss, eddy current loss and windage loss
what is the effect of power factor of machines in starting current