Answer / gunasekaran

it is star connected because we can insulate root3 time lesser than delta and no of turns also root3 times lesser than delta and we can easily protect the equipment from earth fault protection

what is the working of air drayar

1 Answers  

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a transformer runs by electro-induction principle like all motors.then why dosen't it rotate just like any other motor

2 Answers  

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how we can calculate earth fault current?

1 Answers   Alchemist,

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What is Energy based relay coordination & time based relay co-ordination? In which type of distribution arrangement these methods are applicable?

1 Answers  

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How the over load setting for HT Motors calculated-provided in Numerical Relay

0 Answers   Damodar Valley Corporation,

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What is the basic difference among IPS,UPS,EPS?

2 Answers   ABB, Navana,

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How to calculate the Harmonics losses in terms of cost/unit.

0 Answers  

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diffrence between windings of high tension side and low tension side of transformer

1 Answers  

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What is the power ratio between power in Star and Delta circuit?

11 Answers   ST Micro,

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power formula

1 Answers  

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What is the accepted limit to increase the choosen transformer capacity over the load and why ?

1 Answers  

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Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

2 Answers   Voltas,

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