COOLMOS device can be used in application up to power range of___________?
COOLMOS device can be used in application up to power range of___________?
A. 1 KVA
B. 2 KVA
C. 500 VA
D. 100 KVA
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In a three phase voltage source inverters____________?
In a three phase voltage source inverters____________?A. Only amplitude of voltage is controllable
B. Only phase is controllable
C. Both amplitude and phase is controllable
D. Amplitude, phase and frequency of voltages should always be controllableIn a 3 phase CSI, if the required line output voltages are balanced and 120 degree out of phase, then the chopping angles are used to eliminate only the harmonics at frequencies
In a 3 phase CSI, if the required line output voltages are balanced and 120 degree out of phase, then the chopg angles are used to eliminate only the harmonics at frequenciesA. 5
B. 7
C. 11
D. All of theseA Triac has three terminals viz ___________?
A Triac has three terminals viz ___________?A. Drain, source, gate
B. Two main terminal and a gate terminal
C. Cathode, anode, gate
D. None of the aboveIGBT combines the advantages of_____________?
IGBT combines the advantages of_____________?A. BJTs and SITs
B. BJTs and MOSFETs
C. SITs and MOSFETs
D. None of theseDuring the commutation period in 3 phase converter, overlap time is____________?
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 voltageUnder harmonic free load voltages, the 3 phase VSI_____________?
Under harmonic free load voltages, the 3 phase VSI_____________?A. Does not contains second harmonic
B. Does not contains third harmonic
C. Does not contains fifth harmonic
D. Does not contains seventh harmonic