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- A fully controlled, single-phase bridge rectifier is powered from an ideal 220V, 50Hz source. The rectifier is triggered with a trigger angle of 60 degrees and provides a smooth current of 50A to the load at the output. According to this: a) Draw the waveform of the output voltage in scale and calculate the average value of the output voltage. Combine the average voltage signal with the output voltage wave signal. Show on the same figure. b) Draw the waveforms of the thyristor currents, the gap diode current and the current drawn from the source in scale. c) Calculate the value of the filter inductance used at the output when the ripple in the load current is 3A. (Do the operations by showing the output voltage shapes and areas on the figure. The answers should be in the system and order in the solved examples.)S-2) a) On the bridge type full wave rectifier circuit given in the figure Plot the current paths for each of the +/- alternans. b) The waveform of the Vç output voltage is given in the graphs on the side. Draw it in the blank and calculate the peak value and indicate it in the graph. c) Calculate the effective value of the output voltage. (Vç (eff) =… ..?). Note: Diodes are not ideal. VD = 0.7V.Draw the circuit diagram for a full-wave bridge rectifier with a resistance as the load.
- draw the circuit of a voltage supply comprised of full wave bridge rectifier, capacitor and IC regulator to provide an output of -12V and explain the function of each part.H.W:- For a single phase half wave uncontrolled rectifier if the input supply voltage is (v= 310 sin314t), at frequency (f= 50 Hz). Then determine the followings:- Vm. Vmean- i. Draw the rectifier circuit. un %3D ii. Draw the input and the output voltages waveforms. iii. Determine the mean and rms values of the output voltage. s Ec iv. If the load is (R=10 S), then determine the mean and rms values of the current. 2019A three phase fullwave controlled rectifier has an input voltage which is 480vrmsat 60hz. the load modelled as a series resistance and inductance with R=10ohm and l=50mH. determine the delay angle to produce an average of 50ain the load.
- Draw the changes in Vi and Id of the ideal diode half-wave rectifier circuit in the figure. The frequency of the sine signal here will be taken as 50Hz. (Changes in Vi and Id will be drawn!!!)Derive the average and RMS output voltage for three phase half controlled rectifier with RLE Load or three phase semi converters.c) Using a Si diode, design a clamper circuit that will result in the desired output waveform as shown in Figure Q2c. Show overall analysis to justify the proposed design. Vi Vo 20 Designed Clamper Circuit - 3 V -20 - 43 V- Figure Q2c
- 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…Question 2) A full-wave rectifier with ohmic load given in the figure below feeds a 75 Q load and the effective (rms) value of the source voltage is 220V, its frequency is 50 Hz. Accordingly, find the following desired circuit parameters: a) the peak voltage of the source, b) the peak current of the load, c) Average stress of the load, d) Average current of the load, e) The effective (rms) voltage of the load, f) Effective (rms) current of the load, g) Power of the load i D2 vs RDesign a full-wave bridge type power supply. Design the transformer, filter and regulator section. For the rectifier part, choose diode with appropriate PIV rating. Use standard values for your design. The output dc voltage should be 7.5 V and the Maximum output power be 20 mW. Use the topology below as reference