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Question
11kv/0.433kv, 2 mva , transformer , for protection and 
metering how many CT/PT are required?
 Question Submitted By :: Dilip
I also faced this Question!!     Rank Answer Posted By  
 
  Re: 11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
Answer
# 1
one set of tertiary winding CT/PT is sufficient for both
metering and protection.
 
Is This Answer Correct ?    11 Yes 7 No
Manjunath Kunigal
 
  Re: 11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
Answer
# 2
3 nos of CT/PT required 
Is This Answer Correct ?    6 Yes 3 No
Priyadharisini
 
 
 
  Re: 11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
Answer
# 3
Total 16 CT/PT are required 
Is This Answer Correct ?    0 Yes 24 No
Suresh
 
  Re: 11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
Answer
# 4
3 ct for metering ,3 ct for protection,3 pt 
Is This Answer Correct ?    11 Yes 5 No
Rakesh
 
  Re: 11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
Answer
# 5
3 CT/1 PT 
Is This Answer Correct ?    5 Yes 4 No
Sandeep
 
  Re: 11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
Answer
# 6
what is difference between metering CT and protection CT 
Is This Answer Correct ?    1 Yes 5 No
Malik Waseem
 
  Re: 11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
Answer
# 7
primary o/c & E/F -1 CT
SEC o/c & E/f - 1 ct
stand by e/f - 1 ct
pry & sec metering - 2 ct
primary pt - 1 pt
 
Is This Answer Correct ?    2 Yes 9 No
Mayil
 
  Re: 11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
Answer
# 8
1 CT WITH 3 CORE
1st CORE FOR O/C & E/F PROTECTION
2nd CORE FOR METERING WITH INSULATION CLASS 0.5
3rd CORE FOR DIFFERENTIAL PROTECTION
1 PT WITH 2 CORE
1st CORE FORE O/C & E/F PROTECTION
2nd CORE FORE METERING
 
Is This Answer Correct ?    10 Yes 3 No
Shailesh Taware
 
  Re: 11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
Answer
# 9
hi manjunath,
iread your answer but i dont know what is tertiary winding
plz explain that what is the use of that?
 
Is This Answer Correct ?    1 Yes 2 No
Subu
 
  Re: 11kv/0.433kv, 2 mva , transformer , for protection and metering how many CT/PT are required?
Answer
# 10
for above mention requirement we can use 2 nos. of CT & 1
PT
 
Is This Answer Correct ?    0 Yes 3 No
Manir Hussen
 

 
 
 
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