what is the difference between ac and dc hipo test of cable?
Answer Posted / velappan
normally the hypot test is carriedout by DC only
but for AC ,huge size equipment is required for testing
Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
what is the requirement regarding earthing of Single conductor with AWA
How REF protects transformer alone? explain with diagram.
What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?
Difference between ac parallel circuit and ac series circuit?
what is the Pickup/drop off ratio in BCPU relays
In parallel operation time both NGR’s close or not close if both close what will happen
comparision between ACB and VCB
what is PDU in transformer?? which company manufacture??
wat system call?
what will be project cost for 100 kv transformer connection under oyt scheme.
is it possible to turn on the single phase star delta on delay timer using 24 v dc ?
what is mean by restructuring power system?
how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?
FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?
How vfd saving power.