Which of the following converter provides the lower order harmonic cancellation?

State whether the statement is true or false. Harmonic cancellation in the multipulse converter is because of PWM techniques.

How many Z winding connections are required in the construction of phase-shifting transformer of 24 pulse converter?

Y/Z-1 transformer provides _____________ phase angle.

No. of three-phase windings required in the phase-shifting transformer of 18 pulse converter