Answer / k.prakashchandra

It is short time rated ,say about 5 seconds max .

How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?

0 Answers   Elektrotek,

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How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?

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i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.

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Why temperature rise test is conducted in bus bars and Isolators?

5 Answers   Areva,

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i am using auto transformer for starting of induction motor to provide reduse voltages...but the principle of a tansformer according to definition"which transform energy to on circuit to another circuit with constant power and constant frequency". so if i am using reduse voltage then current obsely hige because power is same.but we use auto transfarmer for starting of induction motor to give low current.but here according to definition we are giving hige current.

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railway exam in asst loco pilot old test paper

25 Answers   Indian Railways, Loco Pilot, RRB, Southern Railways, TATA, Vimal,

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why transformer comes only in standard rating like 11kv,33kv,66kv....and not like 33.33kv and so on?

3 Answers  

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what happen if we supply 220v dc suppy to the bulb or tube

2 Answers  

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is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

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WHAT IS THE NECESSITY OF GIVING PARTICULAR COLOURS FOR 3 PHASE TRANSFORMERS.....

5 Answers  

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whether fibre optic cable in high voltage earth conductor is used for protection circuits

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In VSD (variable speed drive)I/P and O/P connections given wrongly what will happen?

5 Answers  

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