fundamentals of power electronics nptel assignment answers

Category: NPTEL

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Power Electronics

₹ 3,000.00

Prof. G. Bhuvaneshwari

*Additional GST and optional Exam fee are applicable.

Description

Additional information, certification process, course details.

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The course discusses power processing electronic circuits like rectifiers, AC voltage controllers, Frequency converters, DC-DC converters and inverters apart from introducing the basics of power semiconductor devices like SCRs, power BJTs, IGBTs and MOSFETs. The analysis of these power circuits are presented in detail along with the waveforms and control techniques. Finally, applications of power electronic technology in generation sector, transmission sector and also in day-to-day applications like battery charger, motor drives, power supplies are described.

INTENDED AUDIENCE

UG students and instructors

PREREQUISITES

Basic Electrical Engineering, Circuit theory, signals and systems

INDUSTRY SUPPORT

UPS manufacturing, SMPS manufacturing and power electronic converter industries

ABOUT THE INSTRUCTOR

Prof. Bhuvaneshwari has been working as a faculty member in the Department of Electrical Engineering IIT Delhi since 1997. She did her BE from College of Engineering, Guindy, Anna University and then completed her M.Tech and PhD from IIT Madras in 1987 and 1992 respectively. She worked as a lecturer in College of Engineering, Madras after which she was working for the electric utility company ComEd in Chicago, IL, USA before joining as a faculty member in IIT Delhi. She has more than 150 international and National journal and conference papers to her credit. She is Fellow of IEEE-USA, IETUK, IETE, IE(I) and a life member of ISTE. Her areas of interest are power electronics, electrical machines, drives, power quality, power conditioning and renewable energy.

1. Join the course Learners may pay the applicable fees and enrol to a course on offer in the portal and get access to all of its contents including assignments. Validity of enrolment, which includes access to the videos and other learning material and attempting the assignments, will be mentioned on the course. Learner has to complete the assignments and get the minimum required marks to be eligible for the certification exam within this period.

COURSE ENROLMENT FEE: The Fee for Enrolment is Rs. 3000 + GST

2. Watch Videos+Submit Assignments After enrolling, learners can watch lectures and learn and follow it up with attempting/answering the assignments given.

3. Get qualified to register for exams A learner can earn a certificate in the self paced course only by appearing for the online remote proctored exam and to register for this, the learner should get minimum required marks in the assignments as given below:

CRITERIA TO GET A CERTIFICATE Assignment score = Score more than 50% in at least 9/12 assignments. Exam score = 50% of the proctored certification exam score out of 100 Only the e-certificate will be made available. Hard copies will not be dispatched.”

4. Register for exams The certification exam is conducted online with remote proctoring. Once a learner has become eligible to register for the certification exam, they can choose a slot convenient to them from what is available and pay the exam fee. Schedule of available slot dates/timings for these remote-proctored online examinations will be published and made available to the learners.

EXAM FEE: The remote proctoring exam is optional for a fee of Rs.1500 + GST. An additional fee of Rs.1500 will apply for a non-standard time slot.

5. Results and Certification After the exam, based on the certification criteria of the course, results will be declared and learners will be notified of the same. A link to download the e-certificate will be shared with learners who pass the certification exam.

CERTIFICATE TEMPLATE

Week 1: Introduction to Power Electronics

Week 2: Power devices : Diodes, SCRs, GTO, BJT, MOSFET, IGBT- Characteristics, working, selection and protection

Week 3: AC-DC converter: half wave & full wave; uncontrolled, semi-controlled & fully controlled; single-phase and three-phase

Week 4: Assignment No. 2 and 3 on single-phase and three-phase converters and simulations

Week 5: AC-AC converters: AC voltage controllers and cycloconverters

Week 6: Non-isolated DC-DC converters: Buck, Boost, Buck-boost & Cuk

Week 7: Isolated DC-DC converters

Week 8: DC-AC Inverters: Single-phase and three-phase, modulation techniques

Week 9: Current Source inverter

Week 10: Applications of Power Electronics in Generation, Transmission, Distribution & utilization sectors

Week 11: Assignment No. 6 on Isolated DC-DC converters: Problems and simulation

Week 12: Assignment No. 7&8 on DC-AC inverters (single-phase and three-phase): problems and simulation

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NPTEL: Exam Registration date is extended for 12 week courses of Jan 2024!

• No further extension will be provided.
• This extension is only applicable for 12-week courses.

Reminder: NPTEL: Exam Registration is date is extended for Jan 2024 courses!

Dear Learner,  The exam registration for the Jan 2024 NPTEL course certification exam is extended till February 20, 2024 - 05.00 P.M . CLICK HERE to register for the exam Choose from the Cities where exam will be conducted: Exam Cities Click here to view Timeline and Guideline : Guideline For further details on registration process please refer the previous announcement in the course page dated January 30, 2024. -NPTEL Team

Thank you for learning with NPTEL!!

Dear Learner, Thank you for taking the course with NPTEL!! Hope you enjoyed the journey with us. The results for this course have been published and we are closing this course now.  You will still have access to the contents and assignments of this course, if you click on the course name from the "Mycourses" tab on swayam.gov.in. For any further queries please write to [email protected] . - Team NPTEL

Fundamental of Power Electronics : Result Published!!

                                      ***THIS IS APPLICABLE ONLY FOR EXAM REGISTERED CANDIDATES***                             ****Please don't click on below link, if you are not registered/not present for the Exam****                          Dear Candidate, The exam scores and E Certificates have been released for April 2023 Exam(s). Step 1 - Are the results of my courses released? Please check the Results published courses list in the below links.:- Apr 2023 Exam - Click here Step 2 - How to check Results? Please login to internalapp.nptel.ac.in/ . and check your exam results. Use the same login credentials as used to register to the exam. What's next? Please read the pass criteria carefully and check against what you have gotten. If you still have any issues, please report the same here. internalapp.nptel.ac.in/ . We will reply within a week. Last date to report queries: 3 days within publishing of scores. Note : Hard copies of certificates will not be dispatched. The duration shown in the certificate will be based on the timeline of offering of the course in 2023, irrespective of which Assignment score that will be considered. Thanks and Best wishes. NPTEL Team

Survey on Problem Solving sessions - Fundamental of Power Electronics - (noc23-ee03)

Dear Learners, We would like to know if the expectations with which you attended this problem solving session are being met and hence please do take 2 minutes to fill out our feedback form. It would help us tremendously in gauging the learner experience. Here is the link to the form:  https://docs.google.com/forms/d/1XCQ6gsHO_ZDLIwmGCZbIR8wKvSbWIZNb3QXECZDkMlI/viewform -NPTEL TEAM

Fundamental of Power Electronics : Final Feedback Form !!!

Dear students, We are glad that you have attended the NPTEL online certification course. We hope you found the NPTEL Online course useful and have started using NPTEL extensively. In this regard, we would like to have feedback from you regarding our course and whether there are any improvements, you would like to suggest.   We are enclosing an online feedback form and would request you to spare some of your valuable time to input your observations. Your esteemed input will help us in serving you better. The link to give your feedback is: https://docs.google.com/forms/d/1ClZOXDqySTyAzVG1awR4q1yEXaq5VsMmANiAdhjIbuw/viewform We thank you for your valuable time and feedback. Thanks & Regards, -NPTEL Team

April 2023 NPTEL Exams - Hall Tickets Released!

***THIS IS APPLICABLE ONLY FOR EXAM REGISTERED CANDIDATES***     ****Please don't click on below link, if you are not registered for the Exam**** Dear Candidate, Your Hall Ticket / admit card for the NPTEL Exam(s) in April, 2023 has been released. Please login to https://internalapp.nptel.ac.in/ using your exam registered email id and download your hall ticket. Note:  Requests for changes in exam city, exam center, exam date, session, or course will NOT be entertained. Please write to [email protected] for any further queries. All the best for your exams! Warm Regards NPTEL Team

Fundamental of Power Electronics : Problem solving Session Reminder !!

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 25, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 24, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 21, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Solutions of Week-12 Assignment

Dear Learner, Please find the solution for the week-12 assignment attached in the below link. Week_12_QandA Regards, TA

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 18, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 17, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 14, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Solutions of Week-10 and Week-11 Assignments

Dear Learner, Please find the solutions of week-10 and week-11 assignments attached in the below links. Week_10_QandA Week_11_QandA Regards, TA

Exam Format - April, 2023 !!

Dear Candidate, ****This is applicable only for the exam registered candidates**** Type of exam will be available in the list: Click Here You will have to appear at the allotted exam center and produce your Hall ticket and Government Photo Identification Card (Example: Driving License, Passport, PAN card, Voter ID, Aadhaar-ID with your Name, date of birth, photograph and signature) for verification and take the exam in person.  You can find the final allotted exam center details in the hall ticket. The hall ticket is yet to be released.  We will notify the same through email and SMS. Type of exam: Computer based exam (Please check in the above list corresponding to your course name) The questions will be on the computer and the answers will have to be entered on the computer; type of questions may include multiple choice questions, fill in the blanks, essay-type answers, etc. Type of exam: Paper and pen Exam  (Please check in the above list corresponding to your course name) The questions will be on the computer. You will have to write your answers on sheets of paper and submit the answer sheets. Papers will be sent to the faculty for evaluation. On-Screen Calculator Demo Link: Kindly use the below link to get an idea of how the On-screen calculator will work during the exam. https://tcsion.com/ OnlineAssessment/ ScientificCalculator/ Calculator.html NOTE: Physical calculators are not allowed inside the exam hall. Thank you! -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 11, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 10, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Interact LIVE with Prof. L Umanand IISc, for the course Fundamental of Power Electronics

You can interact LIVE with Prof. L Umanand IISc, for the course Fundamental of Power Electronics Date: 11th April 2023 Time: 02:00 PM to 03:00 PM Join Zoom Meeting https://us02web.zoom.us/j/86483382168?pwd=bnZTZWlJSUhISUJBRW9IeDlNS3Vmdz09 Meeting ID: 864 8338 2168 Passcode: 980094 YouTube:   https://youtube.com/live/A4h1jSHo4_w?feature=share Please post your questions/queries you want the Instructors to answer at  https://forms.gle/6NhFXxtZ85MFFxw6A You can also post the query during the LIVE Session through the chat window. Also, for any other general queries please feel free to post them on the course forum page. Happy learning

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 07, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Fundamental of Power Electronics - Week 12 content is live now !!

Dear Learners, The lecture videos for Week 12 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=172&lesson=173 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 12 for Week 12 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=172&assessment=210 The assignment has to be submitted on or before Wednesday,[19/04/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 04, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: April 03, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Fundamental of Power Electronics - Week 11 content is live now !!

Dear Learners, The lecture videos for Week 11 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=159&lesson=160 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 11 for Week 11 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=159&assessment=209 The assignment has to be submitted on or before Wednesday,[12/04/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Solutions of Week-07 to Week-09 Assignments

Dear Learner, Please find the solutions of week-07 to week-09 assignments attached in the below links. Week_07_QandA Week_08_QandA Week_09_QandA Regards, TA

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 31, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 28, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 27, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Fundamental of Power Electronics - Week 10 content is live now !!

Dear Learners, The lecture videos for Week 10 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=146&lesson=147 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 10 for Week 10 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=146&assessment=208 The assignment has to be submitted on or before Wednesday,[05/04/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 24, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Potential additional date (April 28th) for the April 2023 NPTEL exams

***THIS IS APPLICABLE ONLY FOR EXAM REGISTERED CANDIDATES*** Dear Student, Greetings from NPTEL! The Jan 2023 session is coming to an end soon and it’s time to put all your best efforts for the certification exam. The NPTEL team has always been there to make your learning process a joyful one and we hope that with your support we will be able to overcome the challenges of conducting a nation-wide exam of this magnitude. With the closure of exam registration form for the NPTEL April 2023 exams, the final registration count stands at 5.1 Lakh compared to 3.7 Lakh reported during the Jul-Dec 2022 semester. Based on the previous semester data, seats at the certification exam centres are booked by NPTEL at the beginning of the exam registration process. As the semester progresses, sometimes these numbers exceed our estimate, especially on certain dates and certain exam cities. Our goal is to allocate the chosen exam cities to all our learners. And by and large, we are able to allocate the chosen cities and dates with active support from our exam partner and our partner colleges. All efforts are being made to allocate the city of choice or the next nearest exam city for the April 29th/30th 2023 exams, as scheduled. However, in view of the unexpectedly large volume of exam registrations & limitation of seats at certain cities on a particular date, we may be compelled to shift the exam date of certain candidates to 28th April 2023 (Friday) as a last resort, only after exhausting all possibilities. We hope that you will appreciate our logistical constraints of such rescheduling and extend all necessary support as before and participate in the exam. With best wishes for the forthcoming exam(s), Warm regards, NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 21, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 20, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Fundamental of Power Electronics - Week 9 content is live now !!

Dear Learners, The lecture videos for Week 9 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=132&lesson=133 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 9 for Week 9 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=132&assessment=207 The assignment has to be submitted on or before Wednesday,[29/03/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 17, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

You can interact LIVE with Prof. L Umanand IISc, for the course  Fundamental of Power Electronics Date: 15th March 2023 Time: 04:00 PM to 05:00 PM Join Zoom Meeting https://us02web.zoom.us/j/89058924356?pwd=RS9OWnlYbTBGK3R5c3JIUHZWL0loZz09 Meeting ID: 890 5892 4356 Passcode: 619637 YouTube: https://www.youtube.com/watch?v=yptGBaK2Ej4 Please post your questions/queries you want the Instructors to answer at https://forms.gle/6NhFXxtZ85MFFxw6A You can also post the query during the LIVE Session through the chat window. Also, for any other general queries please feel free to post them on the course forum page. Happy learning

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 14, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

We would like to know if the expectations with which you attended this problem solving session are being met and hence please do take 2 minutes to fill out our feedback form. It would help us tremendously in gauging the learner experience. Here is the link to the form:  https://docs.google.com/forms/d/1XCQ6gsHO_ZDLIwmGCZbIR8wKvSbWIZNb3QXECZDkMlI/viewform

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 13, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Fundamental of Power Electronics - Week 8 content is live now !!

Dear Learners, The lecture videos for Week 8 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=121&lesson=122 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 8 for Week 8 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=121&assessment=206 The assignment has to be submitted on or before Wednesday,[22/03/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Solutions of Week-04 to Week-06 Assignments

Dear Learners, Kindly find the solutions of week-04 to week-06 assignments in the below links. Week_04_QandA Week_05_QandA Week_06_QandA Regards, TA

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 10, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 07, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 06, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Fundamental of Power Electronics - Week 7 content is live now !!

Dear Learners, The lecture videos for Week 7 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=107&lesson=108 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 7 for Week 7 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=107&assessment=205 The assignment has to be submitted on or before Wednesday,[15/03/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: March 03, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 28, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 27, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Fundamental of Power Electronics - Week 6 content is live now !!

Dear Learners, The lecture videos for Week 6 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=89&lesson=90 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 6 for Week 6 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=89&assessment=204 The assignment has to be submitted on or before Wednesday,[08/03/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 24, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Solutions of Week-01 to Week-03 Assignments

Dear Learners, Kindly, find the solutions of Week-01 to Week-03 assignments in the below links. Week_01_QandA Week_02_QandA Week_03_QandA Regards, TA

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 21, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 20, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Fundamental of Power Electronics - Week 5 content is live now !!

Dear Learners, The lecture videos for Week 5 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=69&lesson=70 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 5 for Week 5 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=69&assessment=203 The assignment has to be submitted on or before Wednesday,[01/03/2023], 23:59 IST . As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 17, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 14, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Fundamental of Power Electronics : Problem solving Session

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 13, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Fundamental of Power Electronics - Problem Solving Session Recording is available!!

Dear Learner, We have uploaded the Recorded videos of the Live Interaction Session - Problem solving Session of Week 1 . Videos are uploaded inside the Separate Unit called " Problem solving Session " along with the slides used wherever applicable. Login to the course on swayam.gov.in to check the same. -NPTEL Team

Fundamental of Power Electronics - Week 4 content is live now !!

Dear Learners, The lecture videos for Week 4 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=57&lesson=58 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 4 for Week 4 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=57&assessment=202 The assignment has to be submitted on or before Wednesday,[22/02/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 10, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 7, 2023 - Tuesday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/vvp-hqoc-cad Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 6, 2023 - Monday Time:06.00 PM - 08.00 PM Link to join: https://meet.google.com/emq-orjd-daw Happy Learning. -NPTEL Team

Dear learners, There will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Date: February 3, 2023 - Friday Time:07.00 PM - 09.00 PM Link to join: https://meet.google.com/xwh-sqxe-gbs Happy Learning. -NPTEL Team

Fundamental of Power Electronics - Week 3 content is live now !!

Dear Learners, The lecture videos for Week 3 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=44&lesson=45 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 3 for Week 3 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=44&assessment=201 The assignment has to be submitted on or before Wednesday,[15/02/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Dear learner, Every week there will be a live interactive session where a Course team member will explain some sample problems, how they are solved - that will help you solve the weekly assignments. We invite you to join the session and get your doubts cleared and learn better. Session 1 :  Start Date: February 3, 2023 When: Every Friday Time: 07.00 PM - 09.00 PM Link to join:  https://meet.google.com/xwh-sqxe-gbs Session 2 :  Start Date: February 6, 2023 When: Every Monday Time: 06.00 PM - 08.00 PM Link to join:   https://meet.google.com/emq-orjd-daw Session 3 :  Start Date:  February 7, 2023 When: Every Tuesday Time: 06.00 PM - 08.00 PM Link to join:   https://meet.google.com/vvp-hqoc-cad Thank you. -NPTEL team

Fundamental of Power Electronics - Week 2 content is live now !!

Dear Learners, The lecture videos for Week 2 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=30&lesson=31 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 2 for Week 2 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=30&assessment=200 The assignment has to be submitted on or before Wednesday,[08/02/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

Fundamental of Power Electronics - Week 1 content is live now !!

Dear Learners, The lecture videos for Week 1 have been uploaded for the course “ Fundamental of Power Electronics ”. The lectures can be accessed using the following link: Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=16&lesson=17 The other lectures in this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). Assignment 1 for Week 1 is also released and can be accessed from the following link Link:  https://onlinecourses.nptel.ac.in/noc23_ee03/unit?unit=16&assessment=199 The assignment has to be submitted on or before Wednesday,[08/02/2023], 23:59 IST. As we have done so far, please use the discussion forums if you have any questions on this module. Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately. Thanks and Regards, -NPTEL Team

NPTEL: Exam Registration is open now for Jan 2023 courses!

Dear Learner, 

Here is the much-awaited announcement on registering for the Jan 2023 NPTEL course certification exam. 

1. The registration for the certification exam is open only to those learners who have enrolled in the course. 

2. If you want to register for the exam for this course, login here using the same email id which you had used to enroll to the course in Swayam portal. Please note that Assignments submitted through the exam registered email id ALONE will be taken into consideration towards final consolidated score & certification. 

3 . Date of exam: Apr 30, 2023

CLICK HERE to register for the exam. 

Choose from the Cities where exam will be conducted: Exam Cities

4. Exam fees: 

If you register for the exam and pay before Mar 17, 2023, 5:00 PM, Exam fees will be Rs. 1000/- per exam .

5. 50% fee waiver for the following categories: 

Students belonging to the SC/ST category: please select Yes for the SC/ST option and upload the correct Community certificate.

Students belonging to the PwD category with more than 40% disability: please select Yes for the option and upload the relevant Disability certificate. 

6. Last date for exam registration: Mar 17, 2023, 5:00 PM (Friday). 

7. Mode of payment: Online payment - debit card/credit card/net banking/UPI. 

8. HALL TICKET: 

The hall ticket will be available for download tentatively by 2 weeks prior to the exam date . We will confirm the same through an announcement once it is published. 

9. FOR CANDIDATES WHO WOULD LIKE TO WRITE MORE THAN 1 COURSE EXAM:- you can add or delete courses and pay separately – till the date when the exam form closes. Same day of exam – you can write exams for 2 courses in the 2 sessions. Same exam center will be allocated for both the sessions. 

10. Data changes: 

Last date for data changes: Mar 17, 2023, 5:00 PM :  

All the fields in the Exam form except for the following ones can be changed until the form closes. 

The following 6 fields can be changed ONLY when there are NO courses in the course cart. And you will be able to edit the following fields only if you: - 

REMOVE unpaid courses from the cart And/or - CANCEL paid courses 

1. Do you come under the SC/ST category? * 

2. SC/ST Proof 

3. Are you a person with disabilities? * 

4. Are you a person with disabilities above 40%? 

5. Disabilities Proof 

6. What is your role ? 

Note: Once you remove or cancel a course, you will be able to edit these fields immediately. 

But, for cancelled courses, refund of fees will be initiated only after 2 weeks. 

11. LAST DATE FOR CANCELLING EXAMS and getting a refund: Mar 17, 2023, 5:00 PM  

12. Click here to view Timeline and Guideline : Guideline

Domain Certification

Domain Certification helps learners to gain expertise in a specific Area/Domain. This can be helpful for learners who wish to work in a particular area as part of their job or research or for those appearing for some competitive exam or becoming job ready or specialising in an area of study.  

Every domain will comprise Core courses and Elective courses. Once a learner completes the requisite courses per the mentioned criteria, you will receive a Domain Certificate showcasing your scores and the domain of expertise. Kindly refer to the following link for the list of courses available under each domain: https://nptel.ac.in/domains

Outside India Candidates

Candidates who are residing outside India may also fill the exam form and pay the fees. Mode of exam and other details will be communicated to you separately.

Thanks & Regards, 

Fundamental of Power Electronics: Welcome to NPTEL Online Course - Jan 2023!!

• Every week, about 2.5 to 4 hours of videos containing content by the Course instructor will be released along with an assignment based on this. Please watch the lectures, follow the course regularly and submit all assessments and assignments before the due date. Your regular participation is vital for learning and doing well in the course. This will be done week on week through the duration of the course.
• Please do the assignments yourself and even if you take help, kindly try to learn from it. These assignments will help you prepare for the final exams. Plagiarism and violating the Honor Code will be taken very seriously if detected during the submission of assignments.
• The announcement group - will only have messages from course instructors and teaching assistants - regarding the lessons, assignments, exam registration, hall tickets, etc.
• The discussion forum (Ask a question tab on the portal) - is for everyone to ask questions and interact. Anyone who knows the answers can reply to anyone's post and the course instructor/TA will also respond to your queries.
• Please make maximum use of this feature as this will help you learn much better.
• If you have any questions regarding the exam, registration, hall tickets, results, queries related to the technical content in the lectures, any doubts in the assignments, etc can be posted in the forum section
• The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
• The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
• Date and Time of Exams: April 30, 2023  Morning session 9am to 12 noon; Afternoon Session 2 pm to 5 pm.
• Registration URL: Announcements will be made when the registration form is open for registrations.
• The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
• Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.
• Once again, thanks for your interest in our online courses and certification. Happy learning.

A project of

In association with

• Electrical Engineering
• NOC:Fundamentals of semiconductor devices (Video) 
• Co-ordinated by : IISc Bangalore
• Available from : 2018-11-20
• Intro Video
• Introduction to semiconductors
• Introduction to energy bands
• Fundamentals of band structure
• Band structure (contd.) and Fermi-Dirac distribution
• Density of states
• Doping and intrinsic carrier concentration
• Equilibrium carrier concentration
• Temperature-dependence of carrier concentration
• High doping effects and incomplete ionization
• Carrier scattering and mobility
• Low-field and high-field transport, introduction to diffusion
• Drift-diffusion and trap statistics
• Current continuity equation
• Continuity equation (contd.) and introduction to p-n junction
• p-n junction under equilibrium
• p-n junction under equilibrium (contd.)
• p-n junction under bias
• p-n junction under bias (contd.)
• p-n junction: generation-recombination currents
• Application of p-n junctions
• Breakdown of junction and C-V profiling
• Introduction to Schottky junction
• Schottky junction under equilibrium
• Schottky junction under bias
• Introduction to transistors: BJT
• Basics of BJT
• Working of BJT
• Working of BJT (contd)
• Delays in BJT
• MOS: Introduction
• MOS: Capacitance-voltage
• Ideal MOS system: derivation of threshold voltage
• MOS C-V in more details
• MOSFET – An introduction
• Gradual Channel Approximation: Derivation of I-V characteristics
• Substrate bias effect and subthreshold conduction in MOSFET
• Short Channel Effects in MOSFET
• Introduction to compound semiconductors
• Basics of heterojunctions
• Band diagram of heterojunctions
• Heterojunctions (contd).
• Heterojunction transistors
• III-nitrides
• Solar cell basics
• Solar cell (contd.)
• Solar cell: Shockley Quiesser Limit
• Basics of photodetectors
• Photodetectors: figures of merit and types of devices
• Junction photodetectors
• Basics of recombination
• Basics of LED
• LED: light extraction and design issues
• Visible LED: photometry and colorimetry
• Transistors for power electronics
• Transistors for power electronics (contd.) & for RF electronics
• Transistors for RF (contd.) and transistors for Memory
• Basics of microelectronic fabrication
• Microelectronic fabrication (contd.)
• Watch on YouTube
• Assignments
• Download Videos
• Transcripts