A. Permanent angle converter
B. Phase angle converter
C. Phase angle commutation
D. Phase and commutation
Related Mcqs:
- For commutation in three phase PAC, normally balanced three phase voltages VR, VY and VB are connected to the three legs of the converter via______________?
A. Three inductances
B. Three capacitances
C. Three resistance
D. Three transistors - Voltage commutation circuit can be converted into a current commutation by interchanging the positions of____________?
A. Diode and capacitor
B. Capacitor and SCR
C. Inductor and capacitor
D. Capacitor and load - If all the SCR’s of 3 phase PAC is replaced by diodes, they would be triggered_____________?
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 single phase full bridge inverter can operated in load commutation mode in case load consist of______?
A. RL.
B. RLC underdamped.
C. RLC overdamped.
D. RLC critically damped - A single phase full bridge inverter can operate in load commutation mode in case load consists of____________?
A. RL.
B. RLC underdamped.
C. RLC overdamped.
D. RLC critically damped. - Between the incoming and outgoing devices in voltage commutation
A. Large overlapping takes place
B. Small overlapping operation
C. No overlapping operation
D. None of these - During the commutation period in 3 phase converter, overlap time is_____________?
A. Dependent on the load current
B. Dependent on the voltage
C. Dependent on both the load current and load voltage behind the short circuit current
D. Independent on both the load current and load voltage - In the operation and control of both naturally commutated and forced commutated SCR base converter, commutation plays an important role. The converters is / are ___________?
A. AC – DC
B. DC – DC
C. DC – AC
D. All of these - During the commutation period in 3 phase converter, overlap time is____________?
A. Dependent on the load current
B. Dependent on the voltage
C. Dependent on both the load current and load voltage behind the short circuit current
D. Independent on both the load current and load voltage - MOSFET stands for______________?
A. Metal – oxide semiconductor field effect transistor
B. Molybdenum – oxide semiconductor field effect transistor
C. Metal – oxide silicon field effect transistor
D. Metal – oxide semiconductor field effect transmitter
