- Thread starter W.olly
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dan.taylor.1
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Being single phase it isn't as simple as stick a vfd on like a 3phase motor, though if you can get a 1p in 1p out then worth a try, a HD dimmer type switch might work but it'll get hot
No it won’t @dan.taylor.1 , dimmers chop the half wave, same a drill controllers. With the motor shown the speed is fixed to the Hz. Trouble is, single phase squirrel cage motors (the one shown) need capacitors to create the phase shift to start. An inverter would just not be allowed to soft start.
Maybe, just maybe, you could run an inverter into a ballast load, then just bang the motor onto the supply.
Wasteful bodgery, even if it works...
W.olly
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that is the lst resort at the minute to buy a 3ph, i have just made this up for this motor and they want it slower now. i usually use VFD`s but there is still the working out how to run a VFD with the foot control and safety switch.
Working out the vfd controls is a piece of cake compared to what you want to do with that SP motor...
W.olly
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one of tings that will be good for thos is the brake control / brake speed.
ill look for a motor now with a 24mm spindle.if its easier then. just need the spindle size the same so i can fit the adaptor i made for this motor.
My Old Landy
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I have one of these the AT2 vfd that is designed for the purpose of controlling 1ph motors.
MattF
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What is wrong with you, putting temptation in front of those of us who thought we were free of this temptation, with single phase motors. You utter ...........
MattF
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@My Old Landy
Does that mean this will control the speed of a single phase motor?
Does that mean this will control the speed of a single phase motor?
VFD Frequency Speed Controller 2.2KW 12A 220 V AC Motor Drive Variable Inve X2P3 | eBay
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My Old Landy
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No that is an AT1 you need the AT2@My Old Landy
Does that mean this will control the speed of a single phase motor?
VFD Frequency Speed Controller 2.2KW 12A 220 V AC Motor Drive Variable Inve X2P3 | eBay
Find many great new & used options and get the best deals for VFD Frequency Speed Controller 2.2KW 12A 220 V AC Motor Drive Variable Inve X2P3 at the best online prices at eBay! Free delivery for many products.www.ebay.co.uk
MattF
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No that is an AT1 you need the AT2
Any chance you can you link to one in black, please, (for the thickos amongst us)?
My Old Landy
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White one same as mine:Any chance you can you link to one in black, please, (for the thickos amongst us)?
VFD Drive Inverter at2 0750x Inverter at2 220V AC Variable Frequency Drive Inverter VFD Speed Controller for Single Phase 0.75kW Motor : Amazon.co.uk: DIY & Tools
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AT2 Frequency Inverter VFD for Single Phase Motor 220V 750W PWM Control Universal | eBay
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W.olly
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Any chance you can you link to one in black, please, (for the thickos amongst us)?
AT2-1500X VFD Current Type Inverter Motor Drive AC220V 1.5KW For Industrial | eBay
Designed with large heat sink for better heat dissipation. 1 x Variable Frequency Drive. Filter: No. Suitable motor power: 1.5kW. Rated current: 8A. Application range: Universal.
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W.olly
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OK, this is going the way it has on otehr threads, i use inverters on my lathe and mill. one being an AT4 and one an AT2
BUT. i have been told that i cant use one for my needs here as it will not work.
So it will @My Old Landy ?
BUT. i have been told that i cant use one for my needs here as it will not work.
So it will @My Old Landy ?
My Old Landy
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The wiring diagram I posted says you can use it with or without a capacitor. I have a motor I will try it over the weekend and let you know.
If you want to borrow mine to see I will send it to you.
