how to calculate the watts from the tr

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what is earthing transformer? draw the winding dia.of earthing transformer.

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What are the characteristics of negative feedback?

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what will happened if generator runs with slow speed?

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Whats the principle of lightning? How protection against lightning is achieved? Types of protection? How to select the height of lightning spike? as per the area.

4 Answers   HAL,

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in VFD when freq is reduce the voltage will reduceor not if it will reduced upto ...

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why t/f are rated in kva. is it conserned with p.f.

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For high frequency application we use which transformer?

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Please tell me if you are electrical engineer,and you are appointed for the maintainance of Electrical Power plant,then which parts of the plant deal with you.Also tell how these parts/components work.

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How to calculate cable size for a particular load? i have 12 MW,11KV Motor 3 Phase, what should be cablesize? What are the points to remember for cable sizing calculations?

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I'm looking for a manual set for a Credence ASL-1000 or ASL 3000. Softcopy would be preferred but I'll take what I can get.

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What are the various kind of cables used for transmission?

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