Mike Henderson
Member
- Messages
- 1,405
- Location
- Villa Park, CA
For motors, three phase is great. But getting it from the power company is not easy unless you're in an industrial area. In most places it's not available in residential areas - that is, it's not even available on the power poles. It's also more expensive to wire your shop for it (compared to single phase) - and it's more expensive for the power company to supply it to you.In a nutshell.... Single phase is what you have in your house, mostly 110V but also 220V for your dryer, maybe your electric stove. You can also have it, or have it made available in your garage/shop for some tools that use it.
3 Phase (triple) is used mostly in commercial applications, but some heavy duty tools also require it. You would have to have the power company bring it to your house, if they can, for those motors.
You can get most tools you will need with motors that run on 100V, single phase, so that's going to be your best/easiest choice.
But as Greg said, if you have large motors it's wonderful. And the motors are more reliable because there's no starting circuitry (or centrifugal switch).
Mike