change 3 phase to single phase via a rotary converter
change 3 phase to single phase via a rotary converter
(OP)
Gents: I own an old style hardinge dv 59 lathe...It has a old 3phase motor...I need to know the method to use a static or rotary converter to be able to use the 3 phase motor to single phase......The motor is a 3/4 hp and if need be I can send you a pic of the electrical box on the lathe so you can show me how to connect the converter so to make the 3rd leg join....The motor is a two speed job so it makes it a little more complicated...Thank you





RE: change 3 phase to single phase via a rotary converter
Visit
http://www.phaseconverter.com/static-converter.html
etc. for more info
RE: change 3 phase to single phase via a rotary converter
RE: change 3 phase to single phase via a rotary converter
3/4 HP is a typical size for this and is very suitable for applying a VFD (inverter drive) to it. Almost all small ones now will take a 1 phase input and give you a 3 phase output. you may never need the variable speed feature but it will alwways be there if you do. My only suggestion here is to oversize the VFD a little, i.e. buy at least a 1HP drive for that motor, maybe even 1 1/2. You won't regret it.
Quando Omni Flunkus Moritati
RE: change 3 phase to single phase via a rotary converter
RE: change 3 phase to single phase via a rotary converter
RE: change 3 phase to single phase via a rotary converter
RE: change 3 phase to single phase via a rotary converter
RE: change 3 phase to single phase via a rotary converter
http://www.actechdrives.com
RE: change 3 phase to single phase via a rotary converter
You probably have sorted this while I have been on vacation, but if your question still stands, Telemecanique in Europe (Schneider Group - maybe Square D in the US?) make a low-cost range of drives under the name 'Altivar'. These aren't especially sophisticated drives but I have used them for running a woodworking planer-thicknesser with a 2.2kW main spindle motor and .75kW feed motor with no issue. The user was very happy with the results and the cost of the drives.
Scotty.