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(a) A step-down transformer connected to a bridge rectifier has the following parameters: NpriNsec=0.4,Vp(pri)=120 V
Posted: Tue Jul 12, 2022 8:38 am
by answerhappygod
- A A Step Down Transformer Connected To A Bridge Rectifier Has The Following Parameters Npri Nsec 0 4 Vp Pri 120 V 1 (31.21 KiB) Viewed 29 times
(a) A step-down transformer connected to a bridge rectifier has the following parameters: NpriNsec=0.4,Vp(pri)=120 V,f=60 Hz Determine the ideal average voltage (VDC), peak inverse voltage (PIV), rms ripple voltage (Vrinus )) and ripple percentage (r) of this bridge rectifier circuit. (6 marks) (b) Consider a regulator circuit shown in Figure Q5(b) with the following parameters: R1=10kΩ,RL=20kΩ,Vi=20 V,VZ=5.6 V Calculate the output voltage (Vo), load current (IL), and total transistor power dissipation. Assuming thre current gain of Q is 100 , determine both base current (IB) and collector current (IC). (10 marks) Figure Q5(b) (c) Analyze the advantage of the regulator circuit as shown in Figure Q5(b). (4 marks)