For testing 33kv cable hipot testing. How much kv we have to
Apply .Give in details.
Answer Posted / s.jeganath
(2E+1)1.414=dc
2E+1 =AC
(2*33000+1)1.414=DC
67000*1.414=DC
94738v=DC (it is a 100%)
but apply in 80% only it is standard for 33kv cable
APPly voltage dc=94738*0.8=75790V
(75.790KV DC)
| Is This Answer Correct ? | 43 Yes | 18 No |
Post New Answer View All Answers
my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.
how to select proper cable for ct wiring so that drop within the limit.
For a stable system, where should the poles of a system be in a root loci plot?
How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.
Draw transformer phasor diagram.(full load,no load)
Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line; i.e. the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The maximum value of n1(P) over all configurations P of 19 points in the plane is 18
Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.
why the pf of semiconductor device is improved the electrical devices
Explain the purpose of inductor in an electric circuit?
HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?
how hydrogen cooled alternator undergo maintanence ? that is hydrogen when come in contact with air can result into explosions .
any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?
R=*ΒΆ l/a
what is the synchronous timer ? and it applications.
what happen when increase or decrease size of lamp,light.glass.