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Question
what is the uses of C.V.T transformer in switch yard?
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
For measurement of high voltages in 400 kv substations as
well as carrier communication
 
Is This Answer Correct ?    11 Yes 3 No
Prasad
 
Answer
# 2
1.we cant measure directly very high voltages(in kv) in
switchyard.so we need to step down the voltage in kv into
some small values.so we can measure small voltages using our
meters.the purpose of using capacitor is to filter DC and
will allow AC only.
 
Is This Answer Correct ?    10 Yes 3 No
Balaji
 
 
 
Answer
# 3
yes 
Is This Answer Correct ?    2 Yes 1 No
Shashank22_sahu@yahoo.co.in
 
Answer
# 4
all switch yard instrument are mainly relay...whose current& voltage setting required...that are possible c.t having current upto 5A.7 voltage upto 110KV so difference of current can found out 
Is This Answer Correct ?    4 Yes 5 No
Swati Agarwal
 

 
 
 
Other Electrical Engineering Interview Questions
 
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which transmission is cheaper ac or dc?   10
what is the function of RMU?   4
how many test is necessary for 27mva transformer. HEG 3
Why 3 over-current and 1 earth fault relay is used on primary side of transformer? Why 2 over-current and 1 earth fault relay in used on secondary side of transformer? Adani 1
Is it any dc fuses availbale in market? can we use one fuse for both AC & DC ?   6
What will be the effect of in HT XLPE 220 KV cable when one side of the Armour/cable ends are not grounded. Will there is difference between 3-phase voltages? like: if A. Both End of Cable grounded Phase Voltages:- V1=219 KV, v2=220 Kv, v3=220 KV. B. One End is grounded other is not: than Impact on Phase Voltages:- V1= KV, v2= Kv, v3= KV. Remain same or unchanged?? Jamshoro 3
what are the main parts of DG? explian thier functions? Vizag-Steel 6
in dc shunt generator field is open in running condition what will happen? century 8
WHAT IS NORMAL VECTOR GROUP USED FOR DESIGNING OF TRANSFORMERS??   11
What does a permanent magnet generator do?   1
how we calculate the motor rating of pump for water suction ?its any formula for that plz give thank u   3
what will happen if we will not use commutater means if we will give dc to the windings in dc motor   1
 
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