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

what is protection class current transformer.

1 Answers   Matrix,

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can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent

0 Answers  

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how much cuurrent flow through human body effected ????

7 Answers   Divis Laboratories, ICSA,

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why using 3 phase

1 Answers  

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we all know that in capacitor there will be no ay physical connection between the two electrodes of the capacitor ,and the charge is stored between these electrodes during charging , so with out any physical connection how these charge is transferred from one plate to the another plate during the discharge?????

1 Answers  

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what is the clear formula to calculate cable size for a load

0 Answers   TCS,

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What do you meant by slip power recovery?

1 Answers   PSEB,

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In industries Power factor is maintained by installing a suitable KVAR bank, How is the PF maintained for domestic use, where is the capacitor bank connected

3 Answers  

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what is surge arresters ?........

7 Answers  

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What is the function of the exiter in DG.

3 Answers  

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why we cannot protect 100% winding of an alternator by using differential protection?

0 Answers  

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What will be the impact on motor performance if a LT motor is rewound with changed motor winding data as given below:- Original winding data: total 04 wires = 02 wires of 17 SWG + 02 wires of 16.5 SWG. Changed Winding data: total 03 wires of 15.5 SWG wire size Motor rating: 160KW, 740RPM, 415V, ID FAN application. Normal Running Current = 95% of FL Current.

0 Answers   NFL,

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