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Controlling high power AC or DC motors.

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--- Quote from: Gall on September 08, 2011, 07:19:26 am ---If you really, really have a reason not to use a off-the-shelf VFD, think about cloning one. It is easier to do some little changes (such as using a different layout and enclosure) than to design everything from scratch.

--- End quote ---
My thought's exactly.

I like the looks of some ST products for this sort of application.

The problem with these sort of one-off jobs is that there are a handful of other sensors and other actuators that need to be integrated into the system, so spinning my own board and cloning the required parts of a VFD makes sense. 

Maybe I'm just too much of a control freak to use everything off the shelf. I like to call it being detail oriented :)
Besides doing new things and learning is more fun.

Again, thanks for the input from everyone.

What's your budget and power requirements?

There are lots of Chinese VFDs on ebay.

Here's one which is much cheaper than the ones I use at work but I don't know the brand.


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