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Transformers
Which of the following 3 phase connections of transformer create disturbances in communication systems
Delta/Star
Star/Delta
Star/Star
Delta/Delta
Delta/Star
Star/Delta
Star/Star
Delta/Delta
Answer
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Related Question
Transformers
What is the approximate efficiency of large transformers?
65%
95 %
75%
85%
65%
95 %
75%
85%
Answer
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Transformers
The approximate efficiency of a large transformer is
80%
65%
95%
50%
80%
65%
95%
50%
Answer
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Transformers
The primary winding of a power transformer should always be
shorted
fused
open
switched
shorted
fused
open
switched
Answer
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Transformers
The steel used for transformer core has
High silicon content
Low hysteresis loss
High permeability
All of the listed here
High silicon content
Low hysteresis loss
High permeability
All of the listed here
Answer
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Transformers
Cores of large transformers are built upto nearly circular cross section in order to reduce
Leakage reactance
Copper loss
Iron losses
Eddy current loss
Leakage reactance
Copper loss
Iron losses
Eddy current loss
Answer
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