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If that is mainly what it will be doing I would suggest the mep-804a (15kw 3 phase) simply for the fact you get 5 more kw at a fraction of the cost of an 803a (usually about $2000 ish dollars less) Do note that the 804a (without converting it) is 3 phase only If you can find a decent 805a (30kw 3 phase) they are generally pretty cheap aswell usually around ~$2000
The only need for the generator is to supply 3 phase power for our shop. We do like the idea of the single phase capability, but in the end we need it to make 3 phase power. With a proper power distribution box, can you get single phase power with the 804a?
I don't want to speak above my knowledge but there are videos on youtube of the conversion and a few threads on here on how that would be possible, I know it was touched on here very recently https://steelsoldiers.com/threads/3-phase-to-single-phase-step-down-transformers.215605/ , also I updated the previous post with a little more info
That is the problem I am running into, trying to figure out what the 803a can handle for a single load starting. The saw we are running should not be a hard start, but it is a fairly large motor at 8kw. I’m sure the 803 would have no issues running it, but the start I’m just not sure.
Copy that, while I have an 803a I don't have a motor that large to test it but I am sure someone here does and hopefully they see this thread and can get you the info you need my friend.
Starting an 8 kW motor is too much for the 803a. It might start it, but doing it repeatedly will likely burn up something. If you can incorporate a soft starter, then you should be fine and the motor is a good load match when it's running.
You will be able to pull 30A from the single phase and that equates to 10 HP at 230V 3ph. I use VFD on stamping presses and they do not pull more then FLA at start-up. But the saw will turn on a little bit more slowly and ramp up to speed. This can be configured in the settings.
Its rated for 20HP on 3ph. Should work fine with a MEP803.
Yes and perhaps it will run on the line power to replace the rotary phase converter.
For my knowledge, could you expand on this?
I sold my rotary converter and run my 3-phase equipment on a VFD. It's a 240v single phase input, 208v 3 phase output VFD. It works great, and adds variable speed where I didn't have that with the rotary converter.
AMEN! The availability of relatively inexpensive VFD has opened up the market for 3 phase equipment to be used by the homeowner.
