Answer / shariff

It is recommended to use two watt mater method, then W1+W2 will give total power in all the 3 phase, this method can be used for this un-balanced load conditions.

Answer / subbarao

Measure power in all the 3 phases separately and add them.

why noise occurn when transformer is working ?

1 Answers   Honda,

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apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.

0 Answers   TATA,

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power factor is max for which welding a.arc b.resistance c.gas

2 Answers   Bhel, HCL,

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IN A SMALL D.C GENERATOR, IF WE REPLACE THE LAMINATED CORE ARMATURE WITH A WOODEN BLOCK OF SAME SIZE & SHAPE AND WIND WIRES WOUND ON THE SLOTS OF WOODEN ARMATURE AND CONNECTED TO THE COMMUTATOR.COMMUTATOR IS FITTED WITH BRUSH TO RECEIVE INDUCED E.M.F.WHETHER E.M.F GENERATED OR NOT?

3 Answers  

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how to calculate power loss cost of aluminium conductor and copper conductor?500v,100A,68mm area squre busbar.

1 Answers  

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What is the disadventage of gland earthing(power cable) if any. ?

0 Answers  

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why generaters need four earthings

5 Answers   Sasken,

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What will happen if 33 kv is given to a 11/0.415 kv Distribution transformer?

2 Answers   SECL,

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the power consumption of perminant magnet moving coil?

1 Answers  

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we done magnetic balance test for 33KV /440V transformer in our company , but the ratio out is confusing us Voltage applied in RY = 440 , at RB = 320 and YB = 60 RY 440 = ( RB + YB ) 380 only Please let me know what type of problem is it.

2 Answers  

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What is the ideal position cooling fan inside the dc motor?

0 Answers   Kay Bouvet,

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How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

0 Answers   Dhanam Enterprises,

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