I have a few coming up when I get the thing back from the machine shop, thanks for following the project, I apologize for being so slow getting it finished, the rest of life gets in the way sometimes!!
Absolutely! This is called a rotary phase converter. What this does is feed single phase power into two of the three leads of a 3 phase idler motor which powers one of the 3 windings inside normally. you then connect a capacitor between one of the hot legs and the unconnected third leg of your 3 phase motor, this will cause it to start turning on its own, without it the motor would just sit there and hum. This is the magic part, As this idler motor turns, it sets up a rotating magnetic field which then "fills in" the 2nd and 3rd phases, which can be thought of as nothing more than 3 single phase power streams offset by 120 degrees. You can then run any three phase equipment off it by connecting your equipment to the 3 idler motor leads. The values of the capacitor needed are determined by what you connect to the idler, its set by merely adjusting the size until the amp draws on your load are all the same. This one is running about 30 microfarads. (One tip- DON'T test run your idler without a load when you're setting up the capacitor, you can get really really high voltages if its too big! Start small, around 5 uF (uF is the abbreviation for microfarad, but the fun slang name is a "puff"! ) enjoy!
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I have a few coming up when I get the thing back from the machine shop, thanks for following the project, I apologize for being so slow getting it finished, the rest of life gets in the way sometimes!!
I would have tried a left handed drill bit before using an easy out. I have broken more easy outs than I care to remember.
Great work, trying to get my own 154 going. Any more vids?
Can you please explain more about running 3 phase on single phase power? Do you have a link that would help?
Absolutely! This is called a rotary phase converter. What this does is feed single phase power into two of the three leads of a 3 phase idler motor which powers one of the 3 windings inside normally. you then connect a capacitor between one of the hot legs and the unconnected third leg of your 3 phase motor, this will cause it to start turning on its own, without it the motor would just sit there and hum. This is the magic part, As this idler motor turns, it sets up a rotating magnetic field which then "fills in" the 2nd and 3rd phases, which can be thought of as nothing more than 3 single phase power streams offset by 120 degrees. You can then run any three phase equipment off it by connecting your equipment to the 3 idler motor leads. The values of the capacitor needed are determined by what you connect to the idler, its set by merely adjusting the size until the amp draws on your load are all the same. This one is running about 30 microfarads. (One tip- DON'T test run your idler without a load when you're setting up the capacitor, you can get really really high voltages if its too big! Start small, around 5 uF (uF is the abbreviation for microfarad, but the fun slang name is a "puff"! ) enjoy!