how we can know the rating of transmission line by no. of
insulators disk ??????????
- 3 Answers
- 21666 Views
- NTPC, I also Faced
- E-Mail Answers
Answer Posted / palla suribabu
we know that each insulator disk can tolerate upto 11kv,for example when we want to find no. of 220kv,first find phase voltage for 220kv and then divided by 11kv.
phase voltage=220/1.732=127kv
no. of discs=127/11=12.
according to economic and safety are taken into account,it value varies from 11-13 discs.
| Is This Answer Correct ? | 58 Yes | 23 No |
Post New Answer View All Answers
why 1.7Uo for HV cable Hi pot test?IE standard why?
HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com
What are the basic properties of signal flow graph?
For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?
can indirect loading be called as phantom loading?
Why is remote backup preferred to local backup?
What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)
hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.
how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?
i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams
Why are iron cores in transformers made laminated?
How you calculate the repturing capacity of a HRC fuse
Why we use mho Relay in long transmission line?
how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?
How can we calculate cable size in Low voltage & high voltage
