Answer / m.jeison raj

if the current rating of the particular load is given,we can
choose the cable size as the half of the current rating
example: if 32A is given,select the cable size for 16Sqmm AL
cable

Answer / wareagle

You can not

Why different types of connection in transformers are used? (star/star,star/delta,delta/star,delta/delta)Why we are only taking in consideration of star/delta type transformers? if only star/delta is good in practice where doses other type of transformers are used? Note: i want to know place of using different types of transformers other than Star/delta type with brief description.

1 Answers   Electrical Tech,

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why are the a.c.series motors preferred for electric traction

4 Answers  

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Why does the radius of armature is less than the radius of pole shoe?

1 Answers   ABB,

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What is the accepted limit to increase the choosen transformer capacity over the load and why ?

2 Answers   Asec,

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How to calculate the current capacity of the 3C / 1C Al/Cu power cable???

2 Answers  

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Any formula to calculate neutral current in 3 phase 4 wire system

1 Answers  

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What is the function of NGR for the parallel operation of alternator? whats happen when different rating of alternator are running with parallel?

1 Answers   Welspun,

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What are the commonly used schemes for the bus zone protection?

1 Answers  

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any one can explain what is the size of pvc,armoured, various sizes of powr cable dia?

1 Answers  

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Why we apply only reduced voltage to the alternator while conducting slip test ? also the current increases to a larger value with reduced voltage itself Why ?

1 Answers  

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what is meant by GD2 ?

1 Answers   Kirloskar,

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when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?

4 Answers  

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