A single phase full bridge inverter can operate in load commutation mode in case load consists of____________?

A. SIT
B. SITH
C. GTO
D. SCR

A. Phase lead helps to increase the phase margin of the control loop
B. Phase lag helps to increase the phase margin of the control loop
C. Phase lead helps to decrease the phase margin of the control loop
D. Phase lag helps to decrease the phase margin of the control loop

A. Two SCR’s connected in reverse parallel
B. Two SCR’s connected in parallel
C. Two SCR’s connected in series
D. Two BJT’s connected in series

A. 600 V/µs
B. 800 V/µs
C. 1200 V/µs
D. 1000 V/µs

A. Negative resistance characteristics
B. Goes into avalanche condition
C. Voltage drop snaps back
D. All of these

A. Lighting and heating control
B. On – line transformer tap changing
C. Soft starting
D. All of these