Answer / koodalingam

To protect the primary winding of the potential
transformer.If you not earthed the system,the unbalance
voltage will appear between neutral and earth.This voltage
can damage winding.

Answer / vinod

in EHV single phase PT are using, primary one end need to
earth for taking stable 3 phase secondary from three single
phase PT

A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

0 Answers  

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A 40 kva transformer has a core loss of 400W and a full load copper loss of 800W. What is The proportion of full load at maxmimum efficiency?

1 Answers  

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What is the dependency of stiffness on load angle??

0 Answers  

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how calculate external illumintion in a compound area. for e.g. there is one open park having 600m2 area and i have to put 40w flouresent tube fitting with pole. how shall i calculate the numbers of fitting.

1 Answers  

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what the purpose of data retrivala panel in substation

1 Answers   NCC,

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working principle a.v.r. ?

0 Answers   Gem Sugars,

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how meger function

0 Answers  

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explain the existence of reactive power in electrical engg?when it generates?

1 Answers  

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How to calculate the efficiency of Turbo Generator(Alternator) in general....?

0 Answers   Thermax,

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If a high resistance fault occurs,then what are the changes will happen in the system?

0 Answers  

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What is the different between digital phase converter and ordinary phase converter?

0 Answers  

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what will happen if dc supply is given to ac motor?

9 Answers   CTS,

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