DieselShip's Online Content Library

Q9) A single-phase. 3:1 step-down transformer has a primary voltage of 230 V and supplies a half-wave rectifier circuit. The transformer has a secondary winding resistance of 1 Ω. The rectifier circuit has a resistive load of 680 Ω and the diode has a forward resistance of 14 Ω.

(a) Sketch EACH of the following:

(i) a labelled circuit diagram; (3)

(ii) the load voltage waveform indicating maximum and average voltage levels. (3)

(b) Calculate EACH of the following load values;

(i) the maximum current; (4)

(ii) the average current; (3)

(iii) the average voltage. (3)