Answer / vinaykumar

it will draw heavy current and may damage the winding of
the motor due more phase voltage when compared to star
connected winding on start

Answer / avinash

if you start the motor directy, it will draw the 6 times of this rated current. it effects the supply source & also the other machines runs along with. (i.e it may cause the blow offing of fuse, Tripping of MCB etc)

Answer / kuttivenu

If the Motor starts directly in Delta,it will drawn more
starting current.due to that the winding may get effect.

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

11 Answers   NTPC,

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I have c license but I don't know eligibility of Max Kilo Volts under the electrical licensing board.

0 Answers   MindSquare, Sical,

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What is the formula for calculating no-load current?

0 Answers  

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can we ran equipment up to 10kw between phase to grounding/ earthing. beside above can we use grounding instead of neutral. .

1 Answers   TNEB Tamil Nadu Electricity Board,

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What is the Different between CT Class-0.2 & Class-0.2s ?

3 Answers  

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If one d.g. is unable to take full load of system, then second d.g. will take care of partly Load.for this condition RPM of both DG set should be equal.By using Synchronization panel RPM of dg sets are match, is it true?

1 Answers  

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what is meant by earth fault and how it happens....

3 Answers  

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How many types of Transformers are there?

8 Answers  

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single phase for 230 then why three phase are 440 volt

4 Answers   ACIL,

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what happen if we supply ac to the field of a alternator?

5 Answers  

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What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?

0 Answers  

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what is impedance?

1 Answers   PWD,

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