1) Explain the term Holding current. Specify it in detail.
2) Explain why the Power MOSFET is said to be the voltage controlled device.?
3) Explain the function of freewheeling diode within the controlled rectifiers?
4) Explain the term Firing angle.
5) Explain the term duty cycle of the dc choppers.
6) Specify the two methods of the control within the AC voltage controllers?
7) Distinguish between the VSI and CSI.
8) Describe the term modulation index of the PWM. Explain some of its use?
9) Specify the merits and de-merits of the HVDC transmission.
10) Explain some of the benefits of the online UPS.