Answer / e.ezhilmani

240/12v means input/output.this ratio is stepdwon
transformer rating

Difference between DOL starter & star Delta Starter? And where the Dol starter used upto how much HP and whereas Star Delta vice versa?

3 Answers  

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in a delta-star with neutral grounding on star side what will happen if one star limb  got opened at star point

1 Answers   NTPC,

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why power not passes in plastic and rubber material

0 Answers   GPG,

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Do you know the alignment of a motor?

8 Answers   Reliance,

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what is the generating transformer?

3 Answers  

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what happens if we earth negative electrode of an rectifier transformer used in ESP. In which normaly positive is earthd from inside the xmer.

1 Answers  

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What is the difference between relays and contactor construction wise?

0 Answers  

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temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

0 Answers  

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what is difference between differential protection and distance protection and how we calculate the sloop?

5 Answers   OPS, Power Grid,

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i want prepare power grid exam what are book we want refer for electrical ?

5 Answers  

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Fot testing new star-delta 132 kw motor in electrical worshop.we should check in star or delta connection as we do not have higher capacity cable in worshop?

4 Answers   Adani,

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what is fault level in 66kV system?

3 Answers  

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