Exercises: 1. A full-wave bridge rectifier isolated from the 220 V rms power line by a transformer. Assuming the diode voltage drops are 0.7 V. i. What turns ratio should the transformer have in order to produce an average current of 1 A in a 10 2 load? ii. What is the average current in each diode under the conditions of (i)? iii. What minimum PIV rating should each diode have?

Exercises: 1. A full-wave bridge rectifier isolated from the 220 V rms power line by a transformer. Assuming the diode voltage drops are 0.7 V. i. What turns ratio should the transformer have in order to produce an average current of 1 A in a 10 2 load? ii. What is the average current in each diode under the conditions of (i)? iii. What minimum PIV rating should each diode have?

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

How is a solid-state diode tested? Explain.
The full-wave rectiﬁer ias shown is operating at a frequency of 60 Hz, and the rms value of the transformer output voltage is 18 V. (a) What is the value of the dc output voltage if the diode voltage drop is 1 V? (b) What is the minimum value of C required to maintain the ripple voltage to less than 0.25 V if R = 0.5 Ω? (c) What is the PIV rating of the diode in this circuit? (d) What is the surge current when power is ﬁrst applied? (e) What is the amplitude of the repetitive current in the diode?
A 3.3-V, 30-A dc power supply is to be designed with a ripple of less than1.5percent. Assume that a half-wave rectiﬁer circuit (60 Hz) with a capacitor ﬁlter is used. (a) What is the size of the ﬁlter capacitor C? (b)What is the PIV rating for the diode? (c)What is the rms value of the transformer voltage needed for the rectiﬁer?(d) What is the value of the peak repetitive diode current in the diode? (e) What is the surge current at t =0+?
3.4 PRE-LABORATORY QUESTIONS 1. What is a rectifier? 2. How does a diode act as a rectifier? 3. What is the significance of PIV? What is the condition imposed on PIV? 4. What is meant by regulation? 5. What is meant by time constant? 6. What is meant by ripple factor?
The half-wave rectiﬁer as shown is operating at a frequency of 60Hz, and the rms value of the transformer output voltage vI is 12.6V±10%. What are the nominal and worst case values of the dc output voltage VO if the diode voltage drop is 1V?
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
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.
Design Half-wave Rectifier Circuit to provide an output of 100 VDC. Then calculate its transformer peak voltage rating, the diode PIV rating, and the transformer turns ratio, if the power is taken from the 220V line AC supply
(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 full-wave bridge rectifier with a 236.86V p-p sinusoidal input has a load resister of 2KΩi. Draw the wave form that the load resistor R would see. ii. Assuming diodes are ideal, what is the dc voltage available at the load resistor? iii. What is the dc voltage available at the load if silicon diodes are employed? iv. Calculate the maximum current flow through the Diode D4 during conduction.
What is the PIV rating of each silicon diode in volts for a bridge type rectifier where the voltage in the secondary transformer is 100V peak? Assume 2.2K ohms load.
Full-wave Bridge rectifier What is the effect of interchanging the probe connection to the resistor voltage waveform? What about, what is the effect of removing one diode from the circuit to the resistor voltage waveform?