Idel transformer
Step down transformer
Step up transformer
Instrument transformer
440 V
11000 V
660 V
110 V
2 Amp
3 Amp
4 Amp
5 Amp
Remove the earth of CT
short the secondary of CT
Opened the secondary side of CT
Switch OFF total supply
Protect the transformers from surge
For short circuit protection
For open circuit protection
For leakage protection