## (25 marks) 3.1 Considering figure 1 below. The SCR is fired at an angle a so that the peak load current is 75A and the a

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### (25 marks) 3.1 Considering figure 1 below. The SCR is fired at an angle a so that the peak load current is 75A and the a 25 Marks 3 1 Considering Figure 1 Below The Scr Is Fired At An Angle A So That The Peak Load Current Is 75a And The A 1 (21.09 KiB) Viewed 76 times
(25 marks) 3.1 Considering figure 1 below. The SCR is fired at an angle a so that the peak load current is 75A and the average load current is 20A. R₁-52 and V-380Vrms. Determine: 3.1.1 The firing angle (a-?). (5) 3.1.2 The RMS load current (Irms = ?). (5) 3.1.3 The average power absorbed by the load. 3.1.4 The power factor of the circuit. (3) |+ T -| =V sin cot Figure 1: single phase thyristor converter circuit diagram