Power Electronics Daily Quiz #7

Intrinsic stand off ratio- is related to-

1. SCR
2. Interdigated GTO
3. UJT
4. Anode shorted GTO

UJT works as _____________ in a firing circuit.

1. Turn off snubber
2. Relaxation oscillator
3. Valley voltage creator
4. Intrinsic semiconductor device

To protect SCR from over current which of the following element can be used?

1. High valued resistor
2. Inductor
3. Fuse or CB
4. Non-linear resistor made of ZnO

To protect SCR from over voltage, which of the following element can be used?

1. High valued resistor
2. Inductor
3. Fuse or CB
4. Non-linear resistor made of ZnO

To protect SCR from high dV/dt, which of the following element can be used?

1. High valued resistor
2. Inductor
3. Fuse or CB
4. Non-linear resistor made of ZnO
5. None