How to select the different contactors ( starter combination) for different AC motors? what about fuse cappacity 4 different motors too?

2 Answers   Equate,

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Which supply is using for train AC or DC & what is the voltage????????

16 Answers  

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what is stray capacitance?

1 Answers  

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sir, i want to know the calculation for find rated current for cable sizes.(both copper & aluminium) with examole. please sir for example: 35sq.mm al.cable is withstands for how many amps? is suitable for 45kw motor?

5 Answers   L&T,

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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 increase the specific gravity of DG batteries?

5 Answers   SCS,

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Why battery chargers are use in substation?

5 Answers  

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we all know voltage is a force(emf), and the force always devides if 2 or more than2 loads are there but why does the voltage remains same is parallel, it must devide na ???

0 Answers   NTPC,

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What is the RMS Value. Please discribe in detail

14 Answers   Bhel,

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hi frienda We have 250kva cater pillet dg set we are fasing one diffrent proublam in dg we are start dg set after one mint applying load around 450a load but dg was run 3 Or 4 mints after 3 mints dg was shuding down automatic how to face this proublam pls tel any budy

2 Answers  

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why we measure ouput of transformers in kva.

1 Answers  

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How to define Kirchhoff current law and voltage law along with simply examples.

0 Answers  

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