a. b. C. There is a dc-dc converter that provides isolation between input and output current. Identify the converter type and describe the operation. Draw the equivalent circuit to support the explanation. Assume the converter operates in continuous-current mode. Explain why a switched -mode dc-dc converter is better that a linear regulator. As an electrical engineer, you are required to design a chopper circuit with an output voltage of 10 V from a 30 V input with switching frequency of 50 kHz. The circuit is operated in continuous current, and output ripple voltage is less than 0.8 % with resistance load of 30 Q. Assume the inductor value is 50 % larger than Lmin and assume ideal components for this design. Identify the chopper type and construct the circuit with IGBT as the power switching.

a. b. C. There is a dc-dc converter that provides isolation between input and output current. Identify the converter type and describe the operation. Draw the equivalent circuit to support the explanation. Assume the converter operates in continuous-current mode. Explain why a switched -mode dc-dc converter is better that a linear regulator. As an electrical engineer, you are required to design a chopper circuit with an output voltage of 10 V from a 30 V input with switching frequency of 50 kHz. The circuit is operated in continuous current, and output ripple voltage is less than 0.8 % with resistance load of 30 Q. Assume the inductor value is 50 % larger than Lmin and assume ideal components for this design. Identify the chopper type and construct the circuit with IGBT as the power switching.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

A 10-Ohm fully resistive load system will be fed from a photovoltaic (PV) module. Load (converter output) voltage 12 V DC is required. But the PV output is DC 18 Volt. Buck type DC/DC converter design is required between load and PV. For this j-converter, the inductor current must be continuous and the fluctuation rate of the load voltage must be at most 0.5%. The lowest switching frequency is 40 kHz; A) What is the lowest Capacitor value (microF) that meets the design conditions for the output capacitor ? B) What is the RMS value of the inductor current (A) ? C) What is the average value of the inductor current (A) ?D) What is the inductance value (microH) that meets the design prerequisites?E) What is the lowest inductance value to be calculated (microH) ?F) What is the operating ratio of the circuit (Duty) ? Please answer D;e;f
Describing the concept of discontinuous conduction mode in power converters, how does continuous conduction mode differ?Make a DC-DC converter circuit that operates in discontinuous conduction mode.
Design an insulated DC-DC converter. Give some detailed information about the topology yousuggested.
A buck-boost converter operates with an input battery. It converts +12 V to –12 V at apower level of about 75 W. the switching frequency is 120 kHz. The switches have200 ns switching time. The battery has an internal series resistance of 0.2  and seriesinductance of 200 nH. (a) What is the operating value of the duty ratio? What power is lost in the battery resistance? (b) Propose an interface structure to improve operation and decrease losses. What are the duty ratio and battery resistance loss with your interface in place?
2. Given the circuit a. State how each switch can be realized using transistors and/or diodes, and whether the realization requires single-quadrant, current/voltage bi-directional two quadrant switch or four quadrant switches then redraw the circuit. b. Solve the converter to determine the inductor currents, capacitor voltages and conversion ratio. Ignore all losses.
1) AC power in a load can be controlled by using a. Two SCR's in parallel opposition b. Two SCR's in series c. Three SCR's in series d. Four SCR's in series 2) The advantage of using free - wheeling diode in half controlled bridge converter is that a. There is always a path for the ac current independent of the ac line b. There is always a path for the dc current independent of the ac line c. There is always a path for the dc current dependent of the ac line d. There is always a path for the ac current dependent of the ac line 3) Silicon controlled rectifier can be turned on a. By applying a gate pulse and turned off only when current becomes zero b. And turned off by applying gate pulse c. By applying a gate pulse and turned off by removing the gate pulse d. By making current non zero and turned off by making current zero
For the figure below, Find the open circuit voltage VTH and the short circuit current IN across the terminal. show the steps.
Industrial Electronics If the given types of DC-DC Converter has an input voltage of 25V. The output voltage of each converter using a duty cycle of 0.4s. a.) Buck Converter Vout?b.) Boost Converter Vout?C.)Buck-boost converter Vout?
Please written by computer Answer the following questions:a. Name a suitable topology that can be used in the above DC/DC converters to achieve the required regulation with the minimum provided efficiency.b. Calculate the efficiency of the linear regulator.c. Calculate the total input power and the input current.d. Calculate the overall efficiency of the system.e. If a 100uF capacitor is used at the input to minimize the ripple. Assume the rise time of the input source is 0.2ms. Estimate the maximum inrush current to charge the capacitor to 12V.
What is the maximum dc voltage you could expect to obtain from a transformer with an 18 Vrms secondary using a bridge rectifier circuit with a filter capacitor? in your own words
This part deals with DC-DC converters. A. Draw the circuit for boost dc-dc converter and explain its principle of operation. B. Derive the input-output relation for a boost dc-dc converter in the case of discontinuous current flow mode of operation. solve both part and fast
18. A dc-dc converter is to be built with the following specifications: Allowed dc input voltage range: +8 V to +18 V +24 V Output average voltage: Output voltage ripple: ±0.06 V maximum at rated load 300 W, resistive ±250 mA maximum at rated load 100 kHz Rated load: Input current ripple: Switching frequency: Common ground between input and output. a. Draw a circuit which can perform this function. b. What is the necessary range of duty ratio for each switch? c. Find circuit part values (R, L, and C) which will meet the stated specifications.