Answer / jay

3 CT WITH 3 CORE FOR 3 PHASE
1 PT WITH 2 CORE

Answer / kartheear

3 line PT's prot./meter in 11kv side(before side)
3 prot/meter. CT's at 11kv side(before side)
3 line PT's prot./meter in .433kv side(after side)
3 prot/meter. CT's at .433kv side(afterside)
In each CTs & PTs,ther wil b a seperate core for metering n
protection,dont get confused with the windings in assuming
tat this is for ef,oc and differential,get a CT/PT wit both
metering n protection whatevr d core is depends upon our
application in relays.

Answer / manax

transformer primary side one set (3 nos) ct,pt and
secondary side one set ct,pt required.each ct pt consist 2
core one for metering,one for protection.this LT
Transformer so no need any special protection.

Answer / a.k.mishra

3 ct having 3 core for metering & protection
3 pt for mounted R,Y,B induvisualy for metering & protection
also 1 neotral ct is requried for star connection

Answer / jesudoss

transformer secondary (433v)-3 ct for over current
-1 ct for restrictedearthfault.

Answer / vishal

3 CT's and 3 PT's wil; be required for each phase of transformer

Answer / d.k.sahu

At primary side 3 nos ct for metering & protection,1 no
cbct & 3nos pt.
At secondary side 3nos ct & 3nos pt.
Total ct/pt : 13no

Answer / subu

hi manjunath,
iread your answer but i dont know what is tertiary winding
plz explain that what is the use of that?

Answer / senthil kumar

06CT and 03PT'S

Answer / mubanga mulenga

1 PT, $ CTs

why we avoid parallel operation of diesl generator?

4 Answers  

1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

0 Answers   L&T,

can i used 400A SFU (for the use of PA fan motor),if my BUSBAR rating is only 315A?????answer me quickly as possible.......thanks

1 Answers  

How will polarity test of Dy5 Transformer ?

0 Answers  

Dear sir, we are getting voltage fluctuations suddenly for 2 or 3 minutes again it becomes normal. we checked each and every connection some times we are getting 110 volts like that from earth to neutral again it is reducing we are getting supply from 45 kva DG set give earthing properly.

3 Answers   Triveni,

In our domestic single phase line if you don't have a ground connection (earthing)how will you separately use earth in a specific power supply board.

1 Answers  

what iz second and fifth hormonics please explain

1 Answers   Satia,

why the rating of transformer in k.v.a

4 Answers  

IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com

0 Answers  

we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

1 Answers  

Why two nos. un-tensioned wires are placed inside the PSC poles used by powergrid in RGGVY works.

2 Answers   Bhel, Power Grid,

what are corona losses

3 Answers   Siemens,