why the transformer primary and secondary windins vector groups vary? why it is something like Dy11 and not as Dy or Yy...

2 Answers  

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what is the different between bus section and bus coupler

2 Answers  

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which calss ct's,pt', use protection,meatering and others

1 Answers  

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types of arc quenching methodes

2 Answers  

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why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

0 Answers  

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What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?

0 Answers  

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what is role of mpu in dg

1 Answers  

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what is p.s impedance measurement test in earthing transformer?

0 Answers   Greenko,

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why causes the burnt of AC Electrical Motor ?

9 Answers  

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Who are the manufacturer for Nitrogen based Fire Protectio/explosion prevention for Oil Filled Transformers? India and international both?

0 Answers  

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How can we get d.c series motor characteristics by using a.c induction motor?

1 Answers   IIT,

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what is the reason for using 110 volt and 60 hertz ac supply for using power distribution in America?

2 Answers   Electro Tech,

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