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Author Topic: Holcomb Energy Systems:Breakthrough technology to the world  (Read 448168 times)

Jimboot

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2175 on: March 10, 2023, 08:35:27 AM »

Jimboot

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2176 on: March 10, 2023, 08:47:54 AM »
Certainly the only one we know of that is shipping.
This is the post that is related to the HVAC factory running an ilpg https://overunity.com/19069/holcomb-energy-systemsbreakthrough-technology-to-the-world/msg568816/#msg568816


rakarskiy

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2177 on: March 10, 2023, 12:59:31 PM »
Quote
Interestingly, if you try to run it without a significant enough load, Pin will exceed Pout. So the load is part of the effect.

Jimboot, you will be surprised, but the traditional generator works on the same principle, where the load is dominant for the magnetic system of the generator (more precisely, the current from the phase that forms the magnetic flux in the core), and the lifting system plays the role of control. I also came to the conclusion that it is necessary to excite the current in the phase and coordinate with the excitation.
In addition, I nevertheless came to the conclusion that I was doing exactly the transformer version, in fact, this is Figuera. In such a system, there are difficulties with starting.
Electromagnetism cannot destroy the second law of thermodynamics, and the Carnot cycle has nothing to do with electromagnetism.
Thanks for the review!


Jimboot

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2178 on: March 12, 2023, 05:20:02 AM »
Jimboot, you will be surprised, but the traditional generator works on the same principle, where the load is dominant for the magnetic system of the generator (more precisely, the current from the phase that forms the magnetic flux in the core), and the lifting system plays the role of control. I also came to the conclusion that it is necessary to excite the current in the phase and coordinate with the excitation.
In addition, I nevertheless came to the conclusion that I was doing exactly the transformer version, in fact, this is Figuera. In such a system, there are difficulties with starting.
Electromagnetism cannot destroy the second law of thermodynamics, and the Carnot cycle has nothing to do with electromagnetism.
Thanks for the review!
I'm learning more everyday:) Thanks mate. I'm working with a washing machine motor atm. The rotor had 8 perm mags in between steel laminate wedges and then dipped in epoxy. Removing them I'm left with a 8 pole rotor. My slots for coils is only 8mm though so I won't be using 18awg 5 in hand though. I'd like to explore the effect more using the caps and a multipole rotor before printing and sintering a new rotor. I have to print a new winding jig first like Holcombs then do the calculations for my winds/caps. I have renewed enthusiasm. :)

rakarskiy

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2179 on: March 12, 2023, 12:36:05 PM »
Hi Jimbut!
I think that this core is unsuitable for a solid-state rotor on controlled electromagnets. This design is a good permanent magnet rotor for generator. I found the first instance of such a decision in 1989 (USSR)
I am just describing the work of a magnetic field, such a rotor in terms of the topology of the magnetic flux in a synchronous generator.
https://patents.su/?search=1495929&type=number

Cadman

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2180 on: March 12, 2023, 01:50:22 PM »
... and a multipole rotor before printing and sintering a new rotor...

 :o :o Oh please, do tell! What does it take for DIY sintering and how can we do it? Seriously!  :)

Jimboot

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2181 on: March 12, 2023, 10:36:53 PM »
:o :o Oh please, do tell! What does it take for DIY sintering and how can we do it? Seriously!  :)
basically a kiln is my understanding. Virtualfoundry.com sell a lot of products for sintering. Just saw today they had “glass” filament.

ramset

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2182 on: March 12, 2023, 10:50:48 PM »
:o :o Oh please, do tell! What does it take for DIY sintering and how can we do it? Seriously!  :)
Member Grumage (chief principle of “Alan Foundry “)
Might have input on this too ?
Will ask .
Respectfully
Chet K

SolarLab

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2183 on: March 13, 2023, 02:03:07 AM »
:o :o Oh please, do tell! What does it take for DIY sintering and how can we do it? Seriously!  :)


Hi Cadman,

From what I understand you're trying something a bit different than SMC but some of the info might
relate to your approach as well.

One good source of information re: SMC (Soft Magnetic Compounds - powdered stuff) might be:

https://www.horizontechnology.biz/ 

Talk to Jennifer T. and she can direct you to whoever knows whatever...
They're a pretty good group all around, and they know their stuff.

Here's a brief for reference but the web Site has quite a bit of detailed info.

https://www.horizontechnology.biz/?utm_campaign=SMC%20awareness%20stage%20e-book&utm_source=E-book&utm_medium=Beginner%27s%20Guide%20to%20Soft%20Magnetic%20Composites

Big subject and there are a lot of various choices for fabrication materials. Can't suggest anything just yet, still
studying different approaches and lots of testing to still be completed.

Good Luck! Regards,

SL

Direct link to "Sintered" - note the differences (SMM vs SMC):
https://www.horizontechnology.biz/blog/what-is-sintered-soft-magnetic-material

SolarLab

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2184 on: March 13, 2023, 07:13:48 AM »
ooops, wrong thread!
sorry




kolbacict

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2185 on: March 13, 2023, 09:10:49 AM »
A permalloy laminated ring is put on top of the stator with a three-phase current in it.
Four turns of wire are wound on this ring.
My considerations were that in this winding EMF should be induced only from a rotating magnetic field. There should be no other transiductions from the stator to the ring.
I'm a little disappointed. The amplitude between the phases on the stator is 2 volts.
The amplitude on my winding on the ring is 20 millivolts. Without load.

bistander

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2186 on: March 13, 2023, 09:33:36 AM »
A permalloy laminated ring is put on top of the stator with a three-phase current in it.
Four turns of wire are wound on this ring.
My considerations were that in this winding EMF should be induced only from a rotating magnetic field. There should be no other transiductions from the stator to the ring.
I'm a little disappointed. The amplitude between the phases on the stator is 2 volts.
The amplitude on my winding on the ring is 20 millivolts. Without load.

Is the voltage ratio ~= turns ratio? Like in transformer.
bi

Dog-One

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2187 on: March 13, 2023, 09:35:11 AM »
Is your outrunner core wound like this one?

What RPM is the field spinning at?

Actually a little surprised you got much voltage to measure at all.
More turns of enamel wire certainly would boost the voltage some.
If you can get at least a couple of volts out of it, checking the
amperage would be useful information.

rakarskiy

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2188 on: March 13, 2023, 10:27:28 AM »
A permalloy laminated ring is put on top of the stator with a three-phase current in it.
Four turns of wire are wound on this ring.
My considerations were that in this winding EMF should be induced only from a rotating magnetic field. There should be no other transiductions from the stator to the ring.
I'm a little disappointed. The amplitude between the phases on the stator is 2 volts.
The amplitude on my winding on the ring is 20 millivolts. Without load.
To understand the rotation of a field that rotates in a static core, there must be a constant magnetic field. From the distribution of the magnetic field strength in the body of the core relative to the conductor, an EMF will be induced.
It’s just that you can’t take different components from different devices and make a bullet.

kolbacict

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Re: Holcomb Energy Systems:Breakthrough technology to the world
« Reply #2189 on: March 13, 2023, 10:46:34 AM »
Is your outrunner core wound like this one?

What RPM is the field spinning at?

Yes,  the stator is wound exactly that.
frequency 400 Hz. More my frequency converter  does not issue.
Of course, there are few turns on the secondary. I agree. But I couldn’t placed it here anymore. I’ll redo it.
Most importantly, I seem to have found that only a virtual rotating field can be induced in the ring around the stator. And nothing but that. All other ring will be ignored.
Am I right ?  8)