For overhead protection we use which transformer?

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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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A three phase transformer 460v primary 220v secondary (three phase four wire system.) Why did we get 460 volts across the neutral on the secondary side?

3 Answers  

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how can we change the phase angle b/w two phase?

2 Answers  

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How to calculate the multiplying factor for energy meter with ct ratio given

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Radio Carbon dating is used in a) find diseases b) find the age of relics c) find the carbon content in the atmosphere d) none of these

2 Answers  

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230v 1 phase Phase and Neutral insert in Bulk water what happens.

1 Answers   IVRCL,

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dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

0 Answers   RRB,

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KVAR Kilovolt-Ampere-Reactance

2 Answers  

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What is Anemometer used to measure?

0 Answers   Blue Star,

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A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

0 Answers  

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what is the difference between direct loading and indirect loading?

1 Answers  

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