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That suds pump.
DavidA:
Pete,
It might be worth a try. At least it won't cost anything as I have a few capacitors I can use.
I suppose that as long as I didn't try to chew off too much metal at once the speed wouldn't drop too much.
Dave.
Additional.
Just re read your last. You do realise that it is the Emco milling attachment that I was hoping to
run, not a suds pump ? This is why I was a bit worried about running it at half voltage.
awemawson:
You just need a small 240 - 415 transformer then the capacitor mod and your pump should run fine. There are many 415-240 small transformers kicking around that have been used when a three phase machine needs a 240 single phase feed to something and remember transformer are bi-directional :thumbup:
DavidA:
Andrew,
...your pump should run fine...
It's the milling machine attachment I was considering running, not the pum.
I used the pump at the beginning just as an example.
Re the transformer.
Maybe I could use a standard 220 to 110 site transformer in reverse. As a 220 to 415.
Only downside I can see is that I would have to use >415 Volt capacitors.
What do you think ?
Dave.
John Rudd:
Dave,
If you are going to use a cap system to power your mill, I'd be inclined to go the safe route and buy.....https://www.machinemart.co.uk/shop/product/details/pc-20-2hp-phase-converter?da=1&TC=SRC-phase%20convertor. one of them.....much safer than trying to jury rig something with component parts of questionable origin..... :zap:
awemawson:
No that won't work as neither winding is 415 v rated - you need a 240 -> 415 transformer. At a push you can use a 240 v isolating transformer wired as an auto transformer so primary and secondary are in series - it will give you 480 unless there's a tapping on one of the windings that's lower but many motors are ok on that.
Remember - volts hurt - especially when they gang up on you :bugeye:
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