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In principle, this is a really good course. However, as with many other MOOCs, there is a lack of collaboration between students and a lack of a tutor or a moderator who can give you a hint if you get stuck with the homework.

I have been in the semiconductor industry for 3 decades. This online learning refresher was great for me, and in today's work environment, most things are done remotely as well. What this course does not offer is talking about the subject, writing, sharing, explaining things to others. Communication is also critical for engineering succcess and I guess this could be much better integrated by Coursera. The discussion forum offered by Coursera is not at all what I know from today's students who all studied remotely during the pandemic.

In basically, you can just work through the book "Fundamentals of Power Electronics" by Robert W. Erickson and Dragan Maksimović, but I like the lecture and the exercises with a deadline really motivate me to do something even if I don't need the certificate.

Btw, I need at least the same time for homework as for listening to the lecture and sometimes much more.

Course 2, Converter Circuits, is as interesting as was Course 1. You can stop, have a rest and retake the course. The work load varies from week to week. You learn the famous converter flyback and forward.

Course 1 is enough if you just want to know what a converter is. But for a real knowledge, I think one must do the other courses of the power electronics specialization, that is to say course 3, 4, 5 and 6. Still a lot of work to come!

Excellent way to understand the power converters and its relation

most liked topic was -interchange of load and source and realize a converter out of it

but for the flyback and forward it was touch disappointing the lecture did not go well as expected

we need more details in solving the volt-sec balance and charge balance for both converters in detail

Very interesting topics, nice analysis. However, the idea of using current-balance into a transformer when not explicitly using AC should have been better explained, it kept going against my instincts to try a full time-domain solution with differential equations. The last week (week 4) contents were also pretty difficult.

The lectures were decent. Assignments were good and interesting to solve. But the only gripe about assignments is that mathematical analysis is way too lengthy at some places as well as I feel (though very few) answers fed to the computer were incorrect. Overall, a decent course

Very good training, addressing the main DC/DC converter topologies, including transformer isolation. I would have liked the switch realization section to be shorter; but other than that, it was really useful.

Thansk Proffesor Robert Erickson.