why knee point voltage should be high in Ct for differential protection

why knee point voltage should be high in Ct for
differential protection

Question Posted / vijaykunaseelan

why knee point voltage should be high in Ct for differential protection..

in HV CT the secondary voltage should be around Vk>400v

because in differential protection , we have to maintain
relay input of 1 Amp or 5 Amp

Is This Answer Correct ?

4 Yes

0 No

More Electrical Engineering Interview Questions

how CBCT works?

what is the difference SCR & TRIAC?

what is a DLC?[just dont reply its a Dual loop controller!] Plz do Explain the advantage of DLC over PLC?

dc supply given to dc generator winding.how is possible? my knowledge is saying the winding will burn. please reply.

What is the full form of AND,OR and other logic gates

if the supply frequency increases what happens to the motor load

Graphs of measuring power and speed on dc motor

why to need a electrical earthing?

what is sevice settings for mccb?How can be it setted?

How LT megger works ?

can we ran equipment up to 10kw between phase to grounding/ earthing. beside above can we use grounding instead of neutral. .

How you give clearance to a spare feeder.

For more Electrical Engineering Interview Questions Click Here