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Hello from Kent!

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farmerjoe:
That is good news Andrew! Where abouts are you?

I have so many questions! Do you know much about wiring 3 phase motors with a caps to run on single phase?

The lathe has a 3hp single motor on it but the coolant pump is still 3 phase. It has a wiring diagram inside and can be wired star or delta. I'd like to use it if possible. Now idea on what capacitor I would need to use though, any pointers?!

Thanks.

simon.baldwin69:
You can run the 3 phase 400v motor on a single phase 240v supply, you need to wire it up in star and use a vfd to control it

Sent from my EVA-L09 using Tapatalk

awemawson:

--- Quote from: farmerjoe on May 17, 2017, 10:57:58 AM ---That is good news Andrew! Where abouts are you?

Thanks.

--- End quote ---

Sedlescombe, level with Battle on the A21 (literally - the farm gate is on the A21 !)

Pete.:

--- Quote from: farmerjoe on May 17, 2017, 10:57:58 AM ---That is good news Andrew! Where abouts are you?

I have so many questions! Do you know much about wiring 3 phase motors with a caps to run on single phase?

The lathe has a 3hp single motor on it but the coolant pump is still 3 phase. It has a wiring diagram inside and can be wired star or delta. I'd like to use it if possible. Now idea on what capacitor I would need to use though, any pointers?!

Thanks.

--- End quote ---

Wire it for 240v and stick a capacitor on the spare leg. There's no starting load so it;ll be fine to run like that on single phase.

farmerjoe:
I take it your a fellow farmer then Andrew? What do you Farm?
We're mixed. Arable, sheep and cows, in order of quantity if you know what I mean.

Pete,
Any pointers as to capacitor size? Microfarad etc? Does matter? Does it need to be start and run, just start or just run? Does it matter what voltage the capacitor is?

Thanks,
Joe

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