Hi there. I have been a lurker on this and several other forums for some time.
Dave - regarding your post
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I may have some basic schematics in a few weeks on the power section and IGBT driver setup.
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I think having a modular system, with seperate logic, driver and power section would give everyone the chance to modify it to suit their own requirements. If your needs are different from the design, it would mean less modifications to get something going. It would also mean that people who are far from USA or Europe can adapt the design to what is locally available.
At work we use AC drive from Unico Inc. They use the same logic section on drives from 1.1kw to 500kw. The power sections of course are totally different. They have a small selection of driver sections depending on the drive configuration. Their power supply section on all these drives are exactly the same module, but it would be easier if we can have some flexibility as far as that is concerned.
Regards
Dawid