Answer / guna

Aluminium 25 sq.mm
or
copper 16 sq.mm

Answer / rafikul islam

what is suitable cable for 25 HP motor ?
start with VFD ac supply 50 hz

But i want to known, why will be cable size 16 rm, through us calculation please.

Answer / dinesh

35 sq mm

how to stop oil leakage in power transformer.

1 Answers   APGenco,

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Describe the control mechanism of missile launcher???

0 Answers   DRDO, ONGC,

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how we can come to know that motor winding resistance which showing by DMM is right or wrong???is there any chart or something that we will compare & check???

0 Answers  

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how we select fuse rating for motor?

6 Answers  

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7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

0 Answers  

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how to wiring 20 hp motor get completated?

1 Answers   Alchemist,

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why nutral and earthing wire connect with each other in main panel board.

2 Answers  

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Any link for Electrical objective type questions ?

0 Answers  

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How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?

0 Answers   TCS,

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What are the different lines and what are the different types of losses occur on them?

2 Answers  

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What are the three types of compensators?

0 Answers  

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what is the form factor of DC voltage

5 Answers  

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