Q-2: The input signal for half-wave rectifier is a.c. signal.The output of 800 load resistor is 50V d.c. voltage.The diode has a resistance of 25 Q.5 a) Draw the graphs of input signal, diode signal andoutput signals.20 b) Calculate the maximum voltage value for the input signal.AC SupplyDiodewww

The output load resistance is.The diode resistance is.The output DC voltage is Volts.

Q-2: The input signal for half-wave rectifier is a.c. signal. The output of 800 0 load resistor is 50V d.c. voltage. The diode has a resistance of 25 02. 5 a) Draw the graphs of input signal, diode signal and output signals. 20 b) Calculate the maximum voltage value for the input signal. AC Supply Diode

Q-2: The input signal for half-wave rectifier is a.c. signal. The output of 800 0 load resistor is 50V d.c. voltage. The diode has a resistance of 25 02. 5 a) Draw the graphs of input signal, diode signal and output signals. 20 b) Calculate the maximum voltage value for the input signal. AC Supply Diode

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter59: Motor Startup And Troubleshooting Basics

Section: Chapter Questions

Problem 12SQ: How is a solid-state diode tested? Explain.

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Similar questions

How is a solid-state diode tested? Explain.
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.
Write the following for a Semiconverter rectifier with RL load: a) Draw the circuit diagram, supply voltage and the output voltage waveform. b) Explain why there is no negative output voltage even without freewheeling diode. c) Derive the expression for average output voltage.
3. For the half-wave rectifier given in the figure below, find the average values ofthe output voltage and current, and the ripple factor of the output voltage.
Write the following for a half wave controlled rectifier with RL load and freewheeling diode a) Draw the circuit diagram, supply voltage and the output voltage waveform. b) Explain if there is no freewheeling diode what would be the output voltage. c) Explain the difference in the output voltage with and without the freewheeling diode
Q4/: A full-wave bridge rectifier at (2:3) transformer with a [77 sin(2n x 100 x 10³t)] rms input signal has a load resistor of 3.3k2. Draw the rectifier circuit and: 1. Sketch and determine effective waveform voltage (VL-P) at the load. 2. Determine the required PIV rating of the diode. 3. What input frequency and output frequency ? 4. What is the de voltage available at the load? 5. Explain who could filtering output signal. 6. Draw circuit that give opposite out waveform. 7. Why connect circuit in this form.
b. Calculate the following about the circuit in the figure (If silicon diodes are employed in the rectification);i. the peak value of the output voltage considering the drop across each diode, Vpk.ii. the average voltage, Vdc. iii. The current through the load resistor, IL.iv. The current diode, Id.v. The frequency of the output signal, Fout.vi. Calculate the efficiency of the full wave rectifier expressed in percentage. vii. Sketch a graph of the input and output voltage against time.
Negative Peak Clipper with bias circuit uses a germanium diode, with an input peak to peak voltage V=20 V and bias voltage V 2.7 v. a) What is the function of the circuit b) Draw the circuit diagram. c) Draw the input and output waveforms. Input Output
1. Compare the output waveform for Half-Wave Rectifier with and without capacitor. Compare the output waveform for Full-Wave Bridge Rectifier with and without capacitor.
Consider the half-wave rectifier shown below. It needs to deliver 0.1 A and an average of 15 V to a load. The source is 60 Hz and the diode has a 0.7 V drop. The allowable ripple is no more than 0.4 V (2.5%). Find: Peak AC voltage Vm of the source a) b) The minimum value of the smoothing capacitor(s) c) Comment on the type of capacitor and its/their values you would use for this amount of capacitance vs(t) K Load UL
Negative Peak Clipper with bias circuit uses a germanium diode, with an input peak to peak voltage VPP=20 V and bias voltage VBias= 2.7 v. a) What is the function of the circuit? b) Draw the circuit diagram. c) Draw the input and output waveforms.
Determine the a.c. ripple voltage across the load of full wave rectifier which delivers 40 W to a load resistance of 150 ohm, and ripple factor is given as 1% A) 77.4 V B) 38.7 V C) 0.387 V D) 0.774 V