optiMOS is some cool Scheiße Imagine a modular bridge design where you mount this face down on a chiller plates with > -29C coolinmg then tf you use thermal vias in the pure copper or silver buss bars you can also have chiller plates clamped on top of those. You can use pyrolytic graphite plate between the fets and aluminum chiller plates. You drastically cool both sides. of the bridge then it can sink alot of power.
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optiMOS is some cool Scheiße Imagine a modular bridge design where you mount this face down on a chiller plates with > -29C coolinmg then tf you use thermal vias in the pure copper or silver buss bars you can also have chiller plates clamped on top of those. You can use pyrolytic graphite plate between the fets and aluminum chiller plates. You drastically cool both sides. of the bridge then it can sink alot of power.
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Magnete und individuelle Produkte (bomatec.com)
I've reached out to Bomatech to send me some snake line magnets for the UTW and Flussperren prototypes. They need dimensions so I have to the revise the prototype 14 pole machine but I want to consult with the Drs a few things before requesting the PM pieces.
Ill run the hybrid later on this week. Im SiC till Tuesday's shift is over.
Thanks for your subscription to my thread Powercroco.
U may not know but I can see u popping in and out to sneak peeks😀
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Since you down own an APD ill excuse you talk about thermal management. The entire chassis is aluminum and the power stages are merged thermally plus a breeze can flow straight through the inverter. The inverter with the lowest IR runs coolest at WOT doc . You think a "guru" knows that.. Your post are telling to the right ears....🙈🙉🙊
You dont know anything about the inverter obviously. The wire came loose because that is a poor solder job in the first place. Ure not aware that you can see straight thru the inverter snd it power stages the air can go anywhere your eyes do. The yge320 has exactly NO cooling whatsoever.
If the 320 is the answer i suppose u can solder that lil buss wire to it then call it a 400!
😀
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The transistors posted in post 241 are perfect for a modular powerstage stack!. Were waiting for the right inverter designed by you the "guru" it will certainly suit the 25 worldwide pilots....on the social media.
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In my contribution to the n spec and torque and drag ratios resulting from the winding variants, I am not able to recognize the superficial speed flight reference.
So if the 5040 I used for the experiment was
you are absolutely right.
If you feel trampled on by my assumption that you have given up on the project, I apologize - then it was wrong.
In my contribution to the n spec and torque and drag ratios resulting from the winding variants, I am not able to recognize the superficial speed flight reference.
There must be a good, comprehensible reason why the relatively easy-to-manufacture single-layer winding has almost disappeared from commercial model engines.
It is also not used in helicopters and especially drone engines. And it now has significantly different optimization goals.
As far as I know, Plettenberg and Neu and RSE have never used the single layer winding, Kontronik only experimentally and then sorted it out. And they won't all have been too stupid. It also plays almost no role in the papers. (I would be very grateful for pertinent references to such work.)
VG
Ralph
powerditto.de
Ralph!
A hasty generalization is a statement made after considering just one or a few examples rather than relying on more extensive research to back up the claim. It’s important to keep in mind that what constitutes sufficient research depends on the issue at hand and the statement being made about it.
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Use your scope #1 not companies that DO NOT OFFER 12N10P or 14P outrrunners in the first place because they ALL run quieter topologies than 12N10 or 14P from the start . THE ENTIRE WORLDS winding factors including yours are referenced from the Single layer model. That is the bench . So rewrite the books with the data that show us something differently because you and poor dog whisperer Sebastian have still not wound a hybrid to compare to anything...😀
It is well know that on its face the DL only wins in lower subharmonics but different harmonics are always present with a different wave form and those waveforms like a trap versus sinus the trap generates more torque and is more efficient at high speed. Thats fairly accepted across the professional board. If UWE Plettenberg and Steve Nue dont think so so what does scorpion build better engines than them or do they simply copy?
Thats seems to be the suggestion. That he shouldn't do it because they don't? They also dont wind hybrids or Bifilar parallel conductor winds with elevated idle current so why do you?
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Ure back at references again but I showed you this in 2016! Ralph, You are funny to me.....😀
IEEE TRANSACTIONS ON ENERGY CONVERSION,VOL.21,NO.1,MARCH 200695
Comparison of PM Brushless Motors,Having Either All Teeth or AlternateTeethWound
DahamanIshak,Z.Q.Zhu,SeniorMember,IEEE,and David Howe
One of the reference papers used in Gerling's findings...
It seems Dahamanlshak, Z.Q. Zhu and David Howe suggest through finite element predictions and real practice a few conclusive comparisons of DL and SL motor winds.
*SL's winds have more trapazoidal BEMF that DL's.
*SL's winds have more self inductance than DL's.
* SL's showed less cogging torque when driven by zero cross algorithms(BLDC) than DL's which would be lower if driven in BLAC.
*Static and output torque output is higher with SL's
*SL's have higher torque density.
And lastly not reported in this paper but should be noted SL's have more copper fill potential.
The BEMF measurements taken on an oscilloscope played a major role in the real time confirmation of theory in this Dajaku Gerling reference.
Paraphrased conclusion:
The winding factor significantly effects the BEMF waveform as well as the self and mutual inductance's while the motors exhibit low cogging because of the fractional number of slots per pole.
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VIII. CONCLUSION
The performance of three-phase permanent magnet brushless motors for which the stator slot number and rotor pole number are related by 2p = Ns ± 2 has been investigated, when either all the teeth or only alternate teeth are wound. It has been shown that, due to the different winding factors, the back-EMF waveforms and the self and mutual inductances differ significantly, while the motors exhibit a very small cogging torque due to the fractional number of slots per pole.
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And realize the generated bemf voltage doesn't tell you very much about the torque density, power factor, or efficiency of the comparative machines. Why cant I also have an opinion since my power density was higher that your and lukes? Everything has come to pass from the Drs direction . Even the elevated Io. None of this would be a surprise to the fields of study as it stands today in 2024. The world speed masters wont mean anything but the burn up equipment from the contest participants will. Personally if your settled in your winding style what do you plan to gain being here kind of anonymously? Its amazing that You and Sebastian sit there after on a few paragraphs b4 mentioning my name that a SL version of the hybrid exist but the only place either you have seen it in the world is me. Id love for either of you to copy it and speak of it as it it came from somewhere else. All id have to do is repost the introduction of it to the forums and let Dr Kanellis the SRM expert tell you were you got or stole it from. There's a reason you wont wind it. If you do you're confirming you are hear to learn "guru"
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You can only go so far with people who are not honest because every academic scribe the dog whisperer has on the subject matter was afforded to him by the "Hubert" 😀 Thats whjy I laugh at yawl. U are truly hilarious group of "experts" that never wound a hybrid and compared it to anything..
Enjoy Life! Because Dr Kannelis suggested I share not one bit of it with you.
I told him its Ok because I timestamp and date things for people that work for team Xerox 😀
Do you want to profit off my sl hybrid work?
i read the ambiguous conversation about it on the German social media.
YT!
HUBERT!!!
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Race roll
UserHello Ralph !
I don't understand now, the Y-D can be wrapped SL or DL. Powercroco
UserYes, you can.
that's why it would be interesting to see how the sl / dl comparison turns out at YD.
Same as with Conventional SL /DL or otherwise?
As I said, maybe someone would like to try it out. VG
Ralph
powerditto.de
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See the timestamp then the date that quite a bit behind? He and you know exactly who told you and showed you. It doesn't exist an any of the academic papers 👀 lets be real youve been . When i did things like print the first ever HK composite stator you were right there guru.
Printed with about the cheapest printer that can be brought tuned by me. I'm sorry but you cannot stand in the same room with me with those conventional DL wye winds
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