DEAR SIR, HOW TO CALCULATE WELDING TRANSFORMER CAPACITY IN KW OR KVA (POWER). TWO WELDING TRANSFORMER USED WHAT TYPE OF DG SET CAPACITY LIKE ( 45 KVA OR 62.5 KVA), PLEASE TELL THE WELDING TRANSFORMER RATEINGS. I AM REFINARY (TANKS WELDING) THANKING YOU

2 Answers  

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whatis knee point ?

5 Answers   L&T, Siemens,

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A resistance of 50 kΩ has a conductance of:(a) 20S(b) 0.02S(c) 0.02 mS(d) 20 kS

1 Answers  

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can anibody tel me on what basis the transformer vector groups are determined????

1 Answers  

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what is the use of commutator in dc motor if we supply ac ? commutator is used to convert ac to dc.and it is used to arrange the flux in unidirectional in case of dc supply. if we give ac as supply to dc motor what is the use of commutator?

0 Answers  

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What is AVR in Turbo generator in Thermal power plant?

5 Answers   Thermax,

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Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

0 Answers  

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what is dry and wet frequency withstand voltage? why & where it is used??

0 Answers  

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I have recently seen a transformer which had two primary terminals and was connected between two lines,i would like to know what kind of transformer is it?short discription about it,any advantages,purpose of usage of the same.............

8 Answers  

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what are the major difference between 3phase 3wire and 3phase 4wire trivector meter?

2 Answers   L&T, NTPC,

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what are the main problems that happen in an emergency light and how to fix them ?

2 Answers  

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Explain principle of Soft-starter & how its working???

12 Answers   MAHINDRA,

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