The secondary input voltage to a single phase diode bridge rectifier is 50V, 50Hz, and the load can be replaced by a resistance of value 20ohms (a) Sketch a well labelled circuit of the converter described above. (b) Sketch the waveforms for the input voltage, output voltage, output current, and output current (c) Derive an equation for average output voltage and calculate for output dc voltage (d) Calculate the ripple factor of the output voltage (e) Transformer utilization factor (h) How can the ripple be improved

The secondary input voltage to a single phase diode bridge rectifier is 50V, 50Hz, and the load can be replaced by a resistance of value 20ohms (a) Sketch a well labelled circuit of the converter described above. (b) Sketch the waveforms for the input voltage, output voltage, output current, and output current (c) Derive an equation for average output voltage and calculate for output dc voltage (d) Calculate the ripple factor of the output voltage (e) Transformer utilization factor (h) How can the ripple be improved

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.

See similar textbooks

Similar questions

What is the difference between a diode and rectifier?
How is a solid-state diode tested? Explain.
What is CEMF?
A number of diodes rated at 1620 V each are to be connected in series in a rectifier circuit with a maximum voltage of 3000V. A de-rating factor of 15% is recommended. The maximum difference in leakage current of the diodes is given as 10mA , and the maximum difference in stored charge is 20µC. Calculate, 1) the number of diodes that must be used, 2) a suitable component value for the static equalization circuit; 3) a suitable component value for the dynamic equalization circuit.
Determine the peak output voltage for the bridge rectifier in this figure. Assuming the practical model, what PIV rating is required for the diode? The transformer is specified to have a 12 Vrms secondary voltage for the standard 110 V across the primary.
A single phase diode bridge rectifier has an input voltage of 240V and supplies a resistive load with a constant dc current of 10A. (a) Sketch a well labeled circuit of the rectifier described above.(b) Sketch the waveforms for the input voltage, output voltage, input current and output current. (c) Determine the maximum input voltage. (d) Load resistance. (e) Derive an equation for the average output voltage and calculate its value. (f) Derive an equation for the RMS value of the output voltage and calculate its value. (g) Determine the power dissipated in the load
A schematic design of a full-wave bridge type power supply is given below. Provide the appropriate values for the inductors, diodes, capacitor and resistors, such that the output DC voltage is 6.2 V and the max. output power for the load resistance is 20 mW (percentage error for output voltage and output power is 2%). AC voltage source: Amplitude=311.13, Freq=60, DC offset= 0. For the rectifier part, choose diodes with an appropriate PIV rating. Show all the formulas and computations involved in acquiring the values for the inductors, diodes, capacitor and resistors. In choosing your Zener diode, consider the output voltage and the output current. Note that the output current should be the minimum Zener current. For the value of the series resistor RS, choose a lower value for less ripple but always consider the required output voltage. The ripple voltage peak-to-peak value should be less than or equal to 1% of the required output voltage. Use the formula below for choosing the value…
Question 5. A pure resistive R ohm resistor is connected to the output of the three-phase Bridge Rectifier and it provides 400 DC output voltage, 20A load current, and the source frequency is 50 Hertz.According to this(a) Yield(b) FF Coefficient,RF Coefficient,TU Value(c) Find the Reverse Peak Voltage (PIV) of each diode, the maximum value of the current flowing through the diode.
Q.1 A single-phase diode bridge rectifier is connected to a grid with rms voltage V, 230V at 50 Hz. Assume that the load is highly inductive, so it could be represented by a constant dc current, Id = 10A. a) Sketch the load voltage and find the average voltage of the load? b) Sketch the source current (grid. AC side) and find the rms value of the source current? c) Determine the fundamental source current and the first three harmonics? Assume Ish_rms ³ 0.91a/h for odd hand 0 otherwise?
In a center-tapped full wave rectifier circuit utilizing ideal diodes, if the primary voltage is 160Vpeak, the turns ratio is 8:1 and the load resistance is 860 ohms, what is the rectified dc voltage at the output? express answer in volts
(a)Derive the average and rms output voltages and currents for three-phase half controlled rectifier with free wheeling diode and RLE load.(b))In a single phase full converter, if output voltage has peak and average values of 325V and 133V respectively, find the firing angle.
A three-phase, half-wave uncontrolled rectifier is fed from an ideal three-phase voltage source of 380V, 50 Hz. The load is resistive with R=15 2. Calculate: (a) The average output voltage and average load current of the rectifier. (b) The d.c. and a.c. power dissipations in the load. (c) The diode ratings. (d) What is the lowest ripple frequency of the output voltage waveform?