Q2. A single phase half wave ac/de converter has a resistance of 252 and input ac voltage of 50V. Calculate the following - i) a. The RMS load voltage ii) b. The power Output iii) c. Peak current and average current iv) d. Average load voltage v) e. PIV of the diode
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- How is a solid-state diode tested? Explain.3 Given the bridge-type full-wave rectifier circuit shown 220V 60Hz 220V:Es Es D1 D2 D3 D4 The load resistor is 220 and the transformer average current is 300mA. Determine: (a) Average value, RMS value, and frequency of load voltage VRL. (b) Average current and PIV of each diode. RL4. For the circuit shown in the figure below uses a transformer of 230V/12V-0-12V and all diodes are Ge find the following, RL-3.3k2. The name of the circuit is ........ Current through the load is............The DC output voltage is............ Draw the input & output wave forms ✈ ellel eetee CT D₂ DE www R₂
- For the rectifier in the figure below, state the conduction sequence of the diodes for periods t1 to tó. D1 D2 D3 22) tl: D. & D.. 23) t2: D. & D.. 24) t3: D. & D.. 25) t4: D. & D.. D4 D5 D6 26) t5: D. &D. 27) t6: D.AN A & D....... Vm cot t6Power supply circuit is delivering 0.5 A and an average voltage 20 V to the load as shown in the circuit below. The ripple voltage of the half wave rectifier is 0.5 V and the diode is represented using constant voltage model. The smoothing capacitor value is equal to 220V rmsh soHz} VL-DC =20V 0.01 F 0.02 F 0.0167 F None of the aboveQ1/Consider the circuit in Figure with a transformer of 10:1 transformation ratio and the diodes are silicon. a) What type of circuit is this? (b) What is the total peak secondary voltage? (c) Find the voltage value across the resistor (d) Sketch the voltage waveform across RL (e) What is the PIV for each diode? D3 D 120 V Pisez) Vpouo D D 10 kn lleee
- One component that does not need to be installed in the correct orientation is a: a. Resistorb. Diodec. Voltage regulatord.For the circuit shown below, compute the maximum current through each resistor when terminal A is a) positive and, b) negative. Assume the diodes are ideal. (Will we convert to the RMS value to it's actual value?)The Figure 2 shows an electronic circuit designed for supplying power to a load (R1). The supply voltage 235V (RMS, AC) at frequency of 50HZ. The required DC voltage and power for the load are 24V and 3.6 W respectively. The Electrical Components of this AC to DC converter are: A full-wave rectifier to convert AC voltage to DC voltage. A regulator with transistor and Zener diode to ensure a constant voltage and power for the load. D1 Iide 91 Vaut VLoad D2 D3 Vde VI sine R1 RL Regulate Reetifier Figure 2. Complete Circuit Assume that the diodes are real diodes (NOT ideal diodes). The following information is available: The collector to base resistor of the regulator R1 = 5.0 k The transistor Q1 with B value of 24 is used for the regulator circuit. Determine the following quantities for this electronic device and fill the table below: Question Answer The voltage of Zener Diode (Vz) The current in R1 The DC current into the regulator | (Idc) Base current of transistor (IB) Collector…
- A full wave bridge rectifier is supplied from 230V, 50Hz and uses a transformer of turns ration 15:1. It uses load resistance of 50 ohms. Calculate load voltage and ripple voltage. Assume ideal diode and transformer. Assume ripple factor equals to 0.482. a.Load Voltage= 13.8 V; Ripple Voltage=6.652 V b.Load Voltage= 15.6 V; Ripple Voltage=7.611 V c.Load Voltage= 21.3 V; Ripple Voltage=8.410 V d.Load Voltage= 25.1 V; Ripple Voltage=10.442 VA full-wave rectifier uses 2 diodes. The internal resistance of each diode is 20 Q. The transformer RMS secondary voltage from centre tap to each end of the secondary is 50 V and the load resistance is 980 Q. Mean load current will beDesign a single-phase full wave bridge rectifier with input voltage of 100v and inductive load of 10ohm and 40mH a. Show the waveform relation between the I/P and O/P b. Calculate the average O/P voltage c. Calculate the rms current