Answer Posted / rishit

Sorry to say Mr Kiran Patil if CT is shorted ckted then it
will complete the ckt and save it from any further damage
and meter connected to that CT not able to read current
flowing from that CT.

There are two simple way to calculate the CT saturation
1. There is an instrument operates on 240v,50HZ known as RED
PHASE instrument it is an Australian instrument.
2. Primary injection method in this method we use an
instrument which can only provide current to both of the
primary position of the CT known as P1,P2 and secondary of
that CT are being short ckted so as to calculate the current
and with the help of tong tester we can calculate the
secondary current.

for example we are having CT ratio of 10/5 A and we are
providing primary current of 10 A and from secondary point
we are calculating 5 A current then CT are OK but if we are
getting lesser current than we must say that CT are saturated.

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