12V DC Motor to AC Brushless Motor from CPU Cooling Fan - BLDC to AC Motor
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- čas přidán 6. 07. 2024
- How to run at 12 volts brushless DC CPU fan without its driver circuit ? You can use your single phase 220v AC Supply and step it down to 12 volts AC using a transformer so as to run it as an AC synchronous motor by slowly increasing the AC Frequency.
Once the poles get synchronized , it works just fine.
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#12v #brushless #cpufan #motor #bldc #synchronousmotor - Věda a technologie
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Mr electron ur videos are good n helps me for not ruining lot of thing out of curiosity
You may have used phase angle control, or a back emf controller to detect when to turn on the coil.
wow don't know I could do that experiment with a bigger engine thank you for the video.
He used a ac fan voltage regulator. If you do a phase shift as he has two sets of poles already then without that magic he can start it directly with a standard 12v ac supply. Why do we have a caps in ceiling fans and domestic motors?
When normal DC 12volts how to run if the IC is burnout or is their any way to run it without using IC?
Correct Answer - I took another brushless motor which was geared and used it as a generator. I chose any 2 of its wires and connected it directly to my CPU Fan wires.
After that, when i turned it really slow, the frequency of the generated AC also became very less giving my CPU Fan time to catch-up to the changing poles and start the running part slowly.
After a few mili seconds, the poles got locked to the changing magnetic field there by making it synchronised and hence the rotation.
Faster i cranked my generator, faster the cpu fan moved.
I am really exciting to know the answer bro....give it soon
You gave it dc current than it ran
Try to make a super high speed brushed motor
No dc
Change it's polarity
What will happen when we connect one capacitor to this, by giving 12v AC?
I have a burnt hall sensor in one fan, I have a second one, I want to connect it connected via 3 wires to the coil of a working fan, type 1 hall sensor for 2 fans, will it rotate?
I think you use dc current with the help of diodes bridge rectifier or use switching transistor or switching ic like 1 0 1 0 1 0 👍
Muito bom 👍 sucesso aí família 🤝👍👈
I think you used some kind resistance or frequency controller
Nice video Good narration and Good explanation 👍🏻👍🏻 expecting more videos
I took a small bldc motor and wired it up to 8volt AC and it didn't spin but it buzzed and vibrated back and forth so what I did is took a capacitor and wired it to the other wire and the center wire and then it turned on
Nice work
It's make me very happy to see such methods of education. Thank you and may so many find themselves passing along in this way of education.
Where do u get those all motors
Agir ese 2 fan air cooled bike k engine k baju me lagaya tho kuch fayada ho sakta hai kya?
Nice presentation
PHEW!!! GRABBED MY PPE JUST IN TIME WHEN YOU STARTED GRINDING 🤓🥸🧐
Ur are very good and helpful to me. Good explanation also I am a fan of u 😊
Thanks
Can I make washing machine induction motor to 220v generator using neodymium magnet,is it possible?pls reply
Great video, thanks 😁👍
You use a lamp dimmer to lower the frequency of the ac mains
paired windings to AC on a straight line. the second pair of windings through the capacitor
how much Price of one jumper cable?
even though it's BLDC motor, at the end it's runs on ac signal, where driver circuit do the conversion, yet I'm curious which method u used to run that motor, I'm subscribed to see the following video.😇
I have a 3 type of motor from old VCR....
How to make a DC generator
Making things very interesting.... 👍
The thumbnail 🙈💥
Hi I feel 2 things either you used capacitor, or you used the power supply DC and changed polarity for it to turn clockwise and anti-clockwise, I also feel this because the RPM increased without voltage change you cannot increase RPM AC transformer was 12V stable!! 😂😂😂😂 Great Video 👍🏻👍🏻
Thanks !! No i didn't use any dc supply or a capacitor
@@MrElectron No worries Brother I do watch your videos will get it soon not an issue, just a query, I saw you winding the armature, two of the poles were wound clockwise, did you wind 2 anticlockwise or I understood wrong😂😂😂😂 please throw light, thanks a ton for reply Brother
LED on one line in the correct polarity.
Use 4 diodes as rectifier?
I think u have used bldc 3phase(modified only 2phase) driver circuit as its come with speed control.
No ...
Why are u showing motor working anti clockwise ? when i was taught it is always clockwise ? please can u explain, thanks
Its never fixed. Your washing machine works in both clockwise and anti clockwise
mỗi lần chạy phải quay tay?
First you decrease the frequency to start rotate then you increase the frequency gradually....is this right?
Correct but how
You may using the inverter while inversion you can control the frequency of output voltage and current.
Good job
Creio que usar o sistema Bedini fica mais funcional.
alternating current with low hertz(frequency)
Nice
Sir make a copper wire spot welding machine on computer ups transfer. .
Dose we melt 18 gauge wire for motor ..i need this type bt market have this machine price is 3000+..
I have a old ups bt safty components ke saath app ek video banao please. .
Dear Mr Electron
I watched your video on how to reverse a universal motor using a dpdt switch.
Please advise how to attach speed control to that.
I have a dc speed controller 2 wires for the motor and two for the battery.
Can you please advise where to put the two wires to the universal motor.
I’ve tried a few things and it’s not working.
Your help would really be appreciated.
Thanks
In line with the hot wire of the motor so it will work like a dimmer switch instead of just adding an overexertion of ohms and or resistance to your circuit because it's easy to do that when your asking this motor to not only change it's original duty cycle and direction! But it's speed too?! Hold on I'm gunna yell some loud things so I feel better..
@@northwestrockgem9745
I connected one of the motor speed control wires to the middle of the dpdt switch and it worked, the other wire was not needed, that’s weird !!
So I have two of the dc motor controller wires going to positive and negative.
And only one wire from the controller going to the dpdt switch !!
Why would you undo this i don’t know but this is cool
Amazing videos
I have some repair videos
I think maybe you use the capaciter like normal ceiling fans.....
No capacitor
@@MrElectron then speed controller
switching on off on off at particular time like that..., so it gains speed, it's hard to tell in text maybe u can understand what I said
Got it but still i didn't do that.
at 10:00, in other words, there is LOCK-UP during all-Attraction and during all-Repulsion.
thats why permanant magnets are rarely used in ac motors.
Permanent magnets are actually used in synchronous motors
alternating current with low hertz
Mr electron where r u from
👍👍👍
Hi bro
Run through DC supply
You just made a synchronous motor
Correct ! But how did it self start
Hand generator , lower frequency , slower switching
You used 2 phase esc
Frequency control I think so
Hii bro in this project you have used dc supply and we all know that dc does not change it's polarity like ac that's why you have not pushed the fan rotor...
I hope i am correct... 👍👍👍👍
No dc only ac can be used in such a situation
Thanks for correcting my answer bro... 🥰🥰
U just connect and disconnect wire very fast
hello
You used ac volteg
LED.
u used DC power source...
You give ac input
Correct but how did i achieve the self starting part
@@MrElectron I think you connect capasitor
Bravo test first fail why 4 pin and now ok 2
DC
Why?
?
You used capacitor instead of rotating manually...is this right?
No
Damper winding ?
No damper winding
R u a engineer
Yes
First Viwe..First Like
I noticed everyone on you that showing how to wire motor alway skip ⏭ that part how to wire is set so it can work and why is all lie why 62 videos do the same thing all I want to do is learn and can find a video showing if the wire all wind right of left
Nice
hello