Which type of DC generator is used for electric welding purposes and why?

1 Answers  

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why the neutral of power transformer is always earthed?

1 Answers  

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can any one tell me the formula for calculating the power and unit consumpetion

9 Answers   Avalon,

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how to design the heater in temperature control unit to heat 50KL of water?

0 Answers   SunMax,

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How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

0 Answers   Bhel,

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what is different between DIGITAL and ANALOG?

2 Answers  

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Hi, what is 100 % stator earth fault protection and how it can be achieve by 3rd harmonics and low frequency injection principle ?

1 Answers  

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DO MEGGER TEST APPLIED ON SURGE ARRESTOR? IF YES THEN WHAT ARE THE ACCEPTED R VALUE REQUIRED FOR SURGE ARRESTORS FOR VOLTAGE LEVEL 11KV, 33KV

2 Answers  

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how to decide the load on secondary of the tranformer

1 Answers   DLF,

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State magnitude criterion.

0 Answers  

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what is the advantage of connecting capacitors in delta than in star?

0 Answers  

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Why double earthing is required ?

1 Answers  

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