why do transformer humm ??????????

2 Answers  

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what will happen when square wave is fed into input side of 3kva transformer and what you will get on output side.

3 Answers   Blue Star,

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how choose conductor &caple&wire depending upon the load

2 Answers   HCL,

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How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

0 Answers  

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the cheapest inducting instrument among all is a)pmmc b)moving iron c)electrodynamometer d)rectifier

2 Answers   APCPDCL, APEPDCL,

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WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.

0 Answers  

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if two transformers are parallel & both have fault short ckt. impedance of 50KA in each case will it increase or decrease show example?

1 Answers  

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why generator one end side star neutral point given? if this point not given what happen?

1 Answers  

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Make a list of materials and layout diagram for a 35hp motor, to be wired at 35meter away from the MDB in a chemical factory.

2 Answers   FEWA,

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how balanced in star delta connection ?

0 Answers  

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what is the different between HT auxillary relay resistance and transformer tripping relay resistance?

0 Answers  

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what is ten delta ?

2 Answers   ABB, Areva,

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