Question

1. What is the main concept of operating DC-AC converters ?
2. List 3 different methods for eliminating or reducing the output harmonics in inverters.
3. What is the major challenge for operating an inverter ?
4. What is blanking time, and why is it important in operating any inverter ?
5. Briefly explain the basic concept of PWM technique for 1phase inverters.
6. Output filters in inverters suffer from a main functional limitation, what is this limitation?

Answer 1

SOLUTION : 1

DC to AC converters is mainly designed for changing a DC power supply to an AC power supply.

SOLUTION : 2

SOLUTION : 3

SOLUTION : 4

SOLUTION : 5

SOLUTION : 6