A. AC – DC
B. DC – DC
C. DC – AC
D. All of these
A. Zero
B. Switches between – 1 / 2 and + 1 / 2
C. Switches between – 1 and + 1
D. Switches between 0 and + 1
A. One
B. two
C. Three
D. Four
A. Directly proportional to their harmonic order
B. Inversely proportional to their harmonic order
C. Not related to their harmonic order
D. None of these
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 controllable
A. Does not contains second harmonic
B. Does not contains third harmonic
C. Does not contains fifth harmonic
D. Does not contains seventh harmonic
A. Sine wave
B. Square wave
C. Triangular wave
D. Trapezoidal wave
A. Identical to line voltage in a VSI
B. Identical to line current in VSI
C. Identical to phase voltage in VSI
D. Identical to phase voltage in CSI
A. Sawtooth carrier
B. Inverted sawtooth carrier
C. Triangle carrier
D. All of these
A. 5
B. 7
C. 11
D. All of these