Capstone Design Project in Power Electronics
Beschreibung
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About this course: Learners will design a DC-DC converter that powers USB-C devices (20 V at 3 A) from a dc input voltage source such as a lithium-ion battery pack or a desktop computer power bus. Aspects of the project will include: ● Design of converter power stage and magnetics. Requires mastery of courses 1, 2, and 5. ● Simulation to verify correct steady-state operation. Requires mastery of courses 1, 2 and 4. ● Design of converter control system. Requires mastery of courses 3 and 4. ● Simulation to verify correct control system operation. Requires mastery of courses 3 and 4. ● Preparation of milestone reports documenting the design and its performance The reports will be peer grad…
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When you enroll for courses through Coursera you get to choose for a paid plan or for a free plan .
- Free plan: No certicification and/or audit only. You will have access to all course materials except graded items.
- Paid plan: Commit to earning a Certificate—it's a trusted, shareable way to showcase your new skills.
About this course: Learners will design a DC-DC converter that powers USB-C devices (20 V at 3 A) from a dc input voltage source such as a lithium-ion battery pack or a desktop computer power bus. Aspects of the project will include: ● Design of converter power stage and magnetics. Requires mastery of courses 1, 2, and 5. ● Simulation to verify correct steady-state operation. Requires mastery of courses 1, 2 and 4. ● Design of converter control system. Requires mastery of courses 3 and 4. ● Simulation to verify correct control system operation. Requires mastery of courses 3 and 4. ● Preparation of milestone reports documenting the design and its performance The reports will be peer graded.
Who is this class for: This course is primarily aimed at professional electrical engineers or electrical engineering graduate students, who need to design or understand switching regulator systems.
Created by: University of Colorado Boulder-
Taught by: Dr. Robert Erickson, Professor
Electrical, Computer, and Energy Engineering -
Taught by: Dr. Dragan Maksimovic, Charles V. Schelke Endowed Professor
Electrical, Computer and Energy Engineering -
Taught by: Dr. Khurram Afridi, Assistant Professor
Electrical, Computer and Energy Engineering
Each course is like an interactive textbook, featuring pre-recorded videos, quizzes and projects.
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University of Colorado Boulder CU-Boulder is a dynamic community of scholars and learners on one of the most spectacular college campuses in the country. As one of 34 U.S. public institutions in the prestigious Association of American Universities (AAU), we have a proud tradition of academic excellence, with five Nobel laureates and more than 50 members of prestigious academic academies.Syllabus
WEEK 1
Introduction and Power Stage Design
Select a converter circuit approach for the bidirectional dc-dc converter to interface a lithium-ion battery pack to a USB load. Begin the design of the power stage components and LTspice simulation.
4 videos, 3 readings expand
- Video: Introduction and Specifications
- Reading: Introduction, Specifications and Project Materials
- Video: Milestones for Weeks 1-2
- Reading: Milestone 1 Grading Rubrics
- Video: The LTspice Saturating Inductor Model
- Video: Capstone Components
- Reading: Simulation files for Milestone 1
WEEK 2
Power Stage Design and Documentation
Finish the design of the power stage components and the converter power stage LTspice simulation. Document your steady-state converter design for submission of Milestone 1.
Graded: Power Stage Design
WEEK 3
Preliminary Controller Design
Develop an averaged model of your power converter. Select a control approach (voltage mode, peak current mode, or average current mode control), and begin the design of the control loop(s) to meet requirements on crossover frequency and maximum closed-loop output impedance. Begin development of LTspice averaged simulation of your controller design.
1 video, 2 readings expand
- Video: Milestones for Weeks 3-4
- Reading: Milestone 2 Grading Rubrics
- Reading: Simulation files for Milestone 2
WEEK 4
Preliminary Controller Design and Documentation
Complete development of an averaged model of your power converter, its control loop(s), and an LTspice averaged simulation. Document your control circuit design for submission to Milestone 2.
Graded: Preliminary Controller Design and Documentation
WEEK 5
Complete Design
Begin development of an LTspice switching model of your closed-loop converter system, to verify that your system meets load current transient requirements. Improve your design as necessary. Begin addition of current limiting to your circuit.
1 video, 2 readings expand
- Video: Milestone 3: Weeks 5-6
- Reading: Milestone 3 Grading Rubrics
- Reading: Simulation files for Milestone 3
WEEK 6
Complete Design and Documentation
Complete development of an LTspice switching model of your closed-loop converter system, and verify that your system meets load current transient requirements. Complete the addition of current limiting to your circuit, to prevent inductor saturation during transients. Demonstrate your final design, including: operation at the specified operating points, closed-loop response to a step change in load current, current limiting, inductor and capacitor size, and efficiency. Document the final design for submission to Milestone 3.
1 reading expand
- Reading: Details: Special For-Credit Offering
Graded: Final Design Documentation and Tests
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