Quote:
Originally Posted by ChazFisher
At the company I used to work for, we did a pretty detailed paper design for a solid state transformer that used IGBTs. We built some of the subassemblies and tested them, but ran out of funding before we put it all together.
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The simplified schematics for solid state transformers that I have seen all appear to have hi frequency transformers that do the actual voltage conversion. They are just a lot smaller and more efficient since they are designed for 500 - 1000 Hz not 60 Hz. It's more efficient, but I would not really describe them as 'solid state'.
I read a couple of papers (*REALLY* tough to digest) on using inductors instead of transformers, which gets rid of the heating in the transformer but causes it's own set of issues. But certainly more of a 'solid state' solution.
Which design style were you involved in? Did a company or a person purchase the IP or did that die with the company?
One of my pet peeves - wasting all the work that went into a design by having it collect dust on a shelf instead of selling the design or open sourcing it