Answer / kuruvilla chacko

delta star config in dy11 mode has highest op volt rating than
any other configuration around 173.2% of original.also the
insulation is wider allowing it to have capacitive effects to
block transients.

what is the stear deltaprinceple?

0 Answers  

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what is the difference between E.L.C.B & R.C.C.B?

2 Answers  

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In which iron losses is higher induction motor /transformer

1 Answers  

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can we identify the direction of power flow in transmission line by after only looking the tower

7 Answers   TNEB Tamil Nadu Electricity Board,

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What are gain margin and phase margin?

0 Answers  

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How test for Ddo vector group test condition?

0 Answers  

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please explain working of revers power relay

4 Answers   CESC, DCM,

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200-100/1-1A – Transformer Knee point voltage

1 Answers   AAPT,

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As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?

3 Answers  

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while doing the excitation current test on power transformer what is the value of voltage to be applied? Nomonal rated voltage or 10% of rated voltage? Is it necessary to apply on high voltage side?

1 Answers   ACC,

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what is the purpose of starter in tube light?what is it operation .

1 Answers  

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why transformer rating in kva?

7 Answers  

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