Answer / k.prakashchandra

The secondary neutral is not earthed and it is galvanic-ally
isolated from primary neutral

Answer / anil chauhan

for current, loop is to be completed which is not possible
when we touch one terminal whereas 2nd terminal is not
touched to earth

our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage.

3 Answers  

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What is mathematical model of a control system?

0 Answers  

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Which type of motor is used in trains, what is the rating of supply used explain working principal?

0 Answers  

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Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.

1 Answers   Electrical Tech,

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Off-circuit Tap changers in distribution transformer required

1 Answers  

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What conditions are required for transformer to operate at low frequencies ?

0 Answers  

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What is voltage

5 Answers   TATA,

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please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com

0 Answers  

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various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.

0 Answers  

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Why the high starting current does not harm the low capacity induction motor?

1 Answers  

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Hi, what is 100 % stator earth fault protection and how it can be achieve by 3rd harmonics and low frequency injection principle ?

1 Answers  

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why threre are two parallel lines in transformer's symbol?

11 Answers   NTPC,

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