BARC EE : Power Electronics Quiz-3

In the figure shown below the duty ratio of buck convertor is D₁ and the duty ratio of boost convertor is D₂. The input voltage of buck convertor is 10 V, and the output voltage of boost convertor is 30 V. Which of the following equation satisfy the relation between D₁ and D₂.

For a 3-phase voltage source inverter, switch current rating (rms) is _____ A, if the phase current is 2 A .

In a given 3-phase converter, the maximum current through the battery if the connected choke has a very high value of inductance & an internal resistance of 10ohm.

In B-6 type converter, if the firing angle is equal to 70° then the type of conduction & total conducting angle of thyristor will be

In a 3-Ø Half wave Rectifier circuit with resistive load supplied from 440V. 50Hz source. The output voltages ripple range if output current is not constant.

A 3-phase bridge rectifier has the average output voltage of 252 V. The

maximum value of phase voltage.

In case of non-circulating current type dual converter.

Single phase Half wave voltage controller consist of

In a 3-phase half wave controlled converter with resistive load. If the firing angle ∝=20°. Then each thyristor will start conducting from.

The below figure represents the circuit diagram of