After proper turn on of thyristor____________?
A. gate signal is always present
B. gate signal must be removed
C. gate signal should present but can be removed
D. none of the above.
A. gate signal is always present
B. gate signal must be removed
C. gate signal should present but can be removed
D. none of the above.
A. 120 degree after the zero crossing of the corresponding line voltages
B. 60 degree after the zero crossing of the corresponding line voltages
C. 120 degree before the zero crossing of the corresponding line voltages
D. 60 degree before the zero crossing of the corresponding line voltages
A. 600 V/µs
B. 800 V/µs
C. 1200 V/µs
D. 1000 V/µs
A. holes only
B. electrons only
C. either electron or holes
D. Both electron and holes
A. String efficient
B. Reliability factor
C. Factor of safety
D. Derating factor
A. Small current spikes and can be reduced by using an inductive filter
B. Large current spikes and can be increased by using an inductive filter
C. Small current spikes and can be increased by using an inductive filter
D. Large current spikes and can be reduced by using an inductive filter
A. A rectifier
B. An inverter
C. A chopper
D. A regulator