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Forum Index : Windmills : Black rotor 36 pole Stator 880W output!!
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DaveP68 Senior Member  Joined: 25/11/2014 Location: New ZealandPosts: 292 |
Got 880W output @ 1000 RPM (390V 2.26A DC) into big resistor 36 pole stator star configuration. Yes the above voltage isn't of much use but it is for proof of output power level only. Once cut into half, tirds, quarters, sixths st up as star or delta. So for example using 4x3 poles aranged in delta mode you can expect around 56V 15.6A 880W at same 1000 RPM. Just a possibility and not necessarily easy to do in real world. Goes to prove that a 36 pole decogged using black rotor cap is the best configration to use in what ever way you set it up. I'm working on a simple electronic switching system to be used to charge 12, 24 or 48V battery banks more efficiently. So can control cut in speed and lots power at top end. Cheers David There are realities if you do not accept, will lead to frustration because you will be spending time on wrong assumptions and the results cannot follow! The Dunning Kruger Effect :) |
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| govertical Guru  Joined: 11/12/2008 Location: United StatesPosts: 383 |
Hi, can you provide any photos of your test setup. I am having problems aligning the mag cap/rotor to the stator so it will turn freely? just because your a GURU or forum administer does not mean your always correct :) |
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| DaveP68 Senior Member Joined: 25/11/2014 Location: New ZealandPosts: 292 |
Hi Here are some photos of my setup, a standard F&P washing machine bowl removed from a MW511 model. All I've done is to mount different stators to this same bowl with it's bearing & shaft. 
60 series 42 pole wired in delta mode. Note this isn't the same stator used testing the black rotor cap. Rotor cap isn't on in this photo. 
As already described, use a 1200W drill to drive rotor cap. All very simple set up just for testing power output into resistor load only. Cheers David There are realities if you do not accept, will lead to frustration because you will be spending time on wrong assumptions and the results cannot follow! The Dunning Kruger Effect :) |
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| govertical Guru Joined: 11/12/2008 Location: United StatesPosts: 383 |
Hi, thanks. You are recycling the bearing mounts.Nice. I purchased a F&P; no shaft or bearing, just the rotor and stator; off ebay and I am having great difficulty mounting the mag rotor to spin freely. What method do you use when mounting a different stator? Thanks again for the photos. just because your a GURU or forum administer does not mean your always correct :) |
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| govertical Guru Joined: 11/12/2008 Location: United StatesPosts: 383 |
solved problem, using LG stator and rotor 40 to 60 volts DC, using stock stator, fabricated for testing power conversion circuit with manual operation of the PMA just because your a GURU or forum administer does not mean your always correct :) |
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| DaveP68 Senior Member Joined: 25/11/2014 Location: New ZealandPosts: 292 |
Hi I only use the 4 different versions of F&P stators for testing, as they all shear the same type of mount with corresponding shaft with bearings. What are the electrical characteristics of the LG stator i.e. number of pole (looks like 36) and resistance? There are realities if you do not accept, will lead to frustration because you will be spending time on wrong assumptions and the results cannot follow! The Dunning Kruger Effect :) |
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| govertical Guru Joined: 11/12/2008 Location: United StatesPosts: 383 |
Hi, LG stator and Mag rotor: L1 to Gnd about 6.0 ohms, star configuration. At about 60 RPM, DC voltage about 40 at the bridge output, no load. Working on power conversion circuit. I should have test results in a few weeks. I am thinking about adding a gear box. silly video just because your a GURU or forum administer does not mean your always correct :) |
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