Why the wave trap is put in Y phse only in switchyard?why not in other phases?

Why the wave trap is put in Y phse only in switchyard?why
not in other phases?

Question Posted / guest

Why the wave trap is put in Y phse only in switchyard?why not in other phases?..

Answer / prakash dewangan

Because Y phase is less prone to faults. B phase is prone
to earth fault and R phase is prone to lightning. So Y
phase is more safe for wave trap.

Is This Answer Correct ?

13 Yes

1 No

More Electrical Engineering Interview Questions

what's producer of XLPE cable laying in undergroung

1 KVAR = 1.3Amps but, 25KVAR capacitor/690V capacitor takes just 21Amps as leading current, what is the reason? Please explain...

In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

what is the pressure in side transformer under normal condition?

how electronic energy meter works?

what is the RMU and RMU system in sub-station(11kv,66kv.....)

How many earthing pits are requier to disapper the surge current of one lighting arrester.

what is the difference b/w absolute encoder and incremental encoder?

how to determine kilowatts (real power) is used in energy meter? is it apparent power effect the disk rotation?

What is technical difference between ELCB & ELMCB?

why normally Generator rating are between 11Kv to 22Kv?

Why are you like to join it job as a electrical engineering student?

For more Electrical Engineering Interview Questions Click Here