Answer / srinivas

D.C drives is best for crane services because high starting toque is required for cranes lifting heavy loads.

Answer / psingh

AC drive is more suitable for crane HT,CT and LT operation.
It is very east for maint. and cost.

Why earthing is required, and what effect in earthing result is more than 5 ohm and less than 5 or equal to 0 ohm

2 Answers  

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why we use capacitor in Fans not resistor?

4 Answers   Vardhman,

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what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

1 Answers   UPPCL,

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in cable joints procedure what electrical problems have been solved out ?

1 Answers  

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Does the ferranti effect has some impact on the electricity billing system on high voltage installations?

1 Answers   IISc,

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Is possible to increase the voltage without using transformer? why?

9 Answers  

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1 ph induction motor winding priniple and connection diagram?Similarly for 3 ph induction motor?Full description

0 Answers  

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In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

0 Answers  

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Rules and standards of electrical control wiring ?

0 Answers  

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for preparation of design note of 11 / 220 kV , 3 phase, 63 MVA transformer how can calculate or consider the iron losses and copper losses

1 Answers  

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What are protections for dty type transformers

0 Answers  

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If Earthing is poor in a DB of of Residential Building, will residents feel a leakage voltage in a Electrical Ssytem? is this statement true?

1 Answers   Dolphin International,

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