Why not instal the NGR in 11kv/433kv trasformer?

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Why not instal the NGR in 11kv/433kv trasformer?..

Answer / k.prakashchandra

The earth fault current is very less

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Why not instal the NGR in 11kv/433kv trasformer?..

Answer / mahesh sali

as per IEC norm the protection of 11 kv generator against
the earth fault current will be controlled by adding
external resistance between the star point of generator
winding & earth pits.
but for low voltage as per IEC has recommeded solidly
earthing system as per std.

Is This Answer Correct ?    1 Yes 0 No

Why not instal the NGR in 11kv/433kv trasformer?..

Answer / j.karthik(cce)

In my company we are generally using NGR for the secondary
side (433Voltage) of the Transformer....

Is This Answer Correct ?    0 Yes 0 No

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