Answer / ronak garg

In welding we need high current and low voltage. So basically a welding transformer is a step down transformer. A normal transformer can be a step down or a step up depending on our purpose.

Answer / kashyap vasani

welding transformer has higher frequency than normal transformer

waht is the working principle of saft starter & what is the difference in vfd & saft starter

2 Answers   Cipla,

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why we are using large cross section cable at load side and small at other (11kv to trsfr)side of transformer? when the load increses current at both side increases,right?

2 Answers  

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hi how are you? i m in walchand college of engg. do you have interest in join me through email so send your email id

0 Answers  

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Why should we use the igniter in the sodium vapour lamp.

7 Answers   ABB, Delphi, Mudhra, NTPC, PICT,

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What is delta stare switch?

1 Answers   Samsung,

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what is the d/f b/w iverter & converter.

5 Answers   Indeco,

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what is surge impedance loading?

1 Answers  

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How to write a progrramme to turn ON and turn OFF a motor with a single push button in AB?

2 Answers   HCL, Torrent Pharma,

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what is the working of vfd drives.

2 Answers  

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how many number of terminals are available in CURRENT TRANSFORMER

6 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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why power not passes in plastic and rubber material

0 Answers   GPG,

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During the main stator winding insulation testing (phase to ground)of 11kv alternator (Lerysomer) i found 0 and resistance with multimeter and found 20 killo ohm while the power cables are connected both end (Generator & VCB). In VCB PT (Potential transformer) are connected. Please any body explain that method of insulation is correct or not? also describe of PT connections

1 Answers   Private,

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