SUBSTATION AND EQUIPMENT - Quiz

1) Which type of transformer, the current transformer comes under?

Idel transformer Step down transformer Step up transformer Instrument transformer

2) What is the secondary voltage of PT?

440 V 11000 V 660 V 110 V

3) What current the secondary of a CT is designed?

2 Amp 3 Amp 4 Amp 5 Amp

4) What action is required before disconnecting the ammeter connected with CT?

Remove the earth of CT short the secondary of CT Opened the secondary side of CT Switch OFF total supply

5) Which is the use of lighting arrester in HT line?

Protect the transformers from surge For short circuit protection For open circuit protection For leakage protection