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In our wind farm, which runs our home and farm, we use 20 - 24V/200A alternators with 24 12V 8D Truck batteries run in 24V cells through a 10,000A Inverter to 120V. On most days it supplies our full electrical load (except when welding...we use a diesel generator for that.). Great video!

I figured out that same kind of setup thinking no one else had. I was looking for a vid like this but could not find one till now. So what I thought too will work. Cool.

It's great to be scientific for fun, but in practicality you may want to use a battery as a storage tank from the output of the alternator using an alternator with internally regulated output. This way the inverter can take startup surges better. Also running the alternator at slow speeds to reach your desired voltage while cranking up the amperage will overheat the alternator and melt the windings. FYI.

I think you are one of the best scientist in the world. No one can do this. This is One of the best invention please send your project to NASA

Thank you so much. Been off the tools for so long and I became so rusty with my electronics skills and knowledge. Thanks to your genius, it's coming back to me and I've had success with this exercise as a result. Regards, Darryl.

Yes but you still have the other motor connected to the outlet

Back in days I had a 120 amp GM alternator on a 8hp Briggs and Stratton that fed 2 big diesel batteries that ran a 1,000watt 120v vanner inverter out of a ambulance that I would back feed from garage to house. That 120 amp alternator would work the 8hp pretty good!

The cap lol, Mr electron is a back street boy :-)

A brilliant idea to replace the resistive wire, measure the resistance of the rotor, calculate at 12v how many amps it will pull (example: for 2 ohms it will require 6 amps) and after calculating the current use LM7812 voltage regulators in parallel as many as needed , if you need 3 amps use 3 or 4 in parallel and voilà. The electronic voltage controllers of the car alternator make the control by the voltage of the rotor, keeping at 12v the output may be more stable or the subtle increase in speed does not raise the output voltage much.

You can build an AVR (automatic voltage regulator) which is a feedback control system that automatically adjusts the rotor DC excitation current so the rectified output voltage of the stator windings is regulated at the desired voltage (for example 11V-15V). The AVR is a current regulator, which can be a DC/DC converter or a linear regulator, equipped with a feedback controller, and takes power from the rectified output voltage of the stator windings and output the current to the rotor DC excitation winding.

so this is a video that proves that if you plug into the wall outlet you can power things up !

Hi Please make a video on complete information about alternator. How much rpm is required, windings, how purchase alternator, etc

You did that nicely. Because I am a layman in this field, the explanation is too technical. Simplification would benefit knowledge sharing.

@Mr.Electron👍👍😎🇺🇸 Thank you for sharing your knowledge and experiences very appreciated it here. Namaste 🙏

There is no mechanical load on the drill. With no load, the power demand from the drill is just a few watts, nowhere close to the 350w maximum rating of the drill.

I am not sure but I believe that the alternator generates about 50v three phase and it is converted to dc12 by the diode pack. Would it be better to remove the diodes and use a star or delta transformer to achieve the mains voltage? Definitely better with a battery in circuit to buffer the alternator load if sticking with the inverter.

What changes can you make to make the system enough to drill without getting overheated?

working super nice how much current is the DC motor using and where is it coming from as you can hear the load as it is applied !!!

The best use is to charge a bank of batteries and let the batteries handle load.

Buy and add the in-situ voltage controller assembly, this is a part that attaches behind the alternator along with the rectifier assembly beside it. This will keep the voltage between 14V to 15V at any rpm or current draw.

Hey how about running to 90 amps to see what more you could do with running house appliances?!✌🏽👍🏽👍🏽👍🏽 love your ideas Mr electric!

Mr. Electron I’m in a fix bt i vibed w yr whole “GetDown” U did A Bangup Job w yr Ledge, insite n “SWAG” Keep on Shinning Brother .. n Muchas Gracias’

Bhai ise aap self running motor b bana sakte ho battery or high power inverter add kr k

Thank you.. we really appreciate 🙏 God bless you 🙌

Great instruction!" Great instructor !"

SUPERB!" You da Mann !" Thanks Friend !" Good Shepard u r

Can u tell from alternator terminal ur feeding inverter and also connecting rotor terminal ....or else rotor terminal and statir ouptut are shorted ..

You are a genius man , i am going to make one as a DIY…..

You have the DC motor running off of the grid and not off the alternators created power through a converter and battery power

I have a same project but I am not showing it is very useful project god bless you

It is fascinating. But my auto electrics in me as a mechanic is telling me different. With a 12v car battery to the alternator and a motor to put about 4krpm Into the alternator will get what your after car alternators do have to design to self regulate on 12v. As the output will change when the headlights are switched on for example. The battery drops down to 11v and the alternator is designed to compensate for this and pushes up to 13.7 again. I have achieved running massive amp output with fitting 2 alternators to a car before when I had to do a massive boot in car entertainment build. That had in total 6000w of Amplifiers. But when that bass kicks in it's essential to fit capacitors in there too. I'm going to have a good go at making a generator without any mains feed at all. As I believe it is possible to power my own house without having to pay £20 a week for electricity. The savings itself are astronomical which would be a worth while project.

Have you used one of your generators to power like your house, if so can you explain how?u

Hi, my friend,. I wanted to let you know" that you can use the heater winding from old heaters as the resistance - wire.!! & even if it get ( red- 🔥 hot), it won't hurt it Cause that's what they are sapposed to do. So, pull the winding from an old heater that has a winding as the heater coil,... & you'll be fine......

Hi Mr Electron could i first just say thankyoufor a very interesting and informative video . However could you please answer the question that I and it seems quite a few others would like to know, I presume you are using the mains current to the motor purely for demonstration purposes? as Obviously generating a power supply by using another power supply would totaly defeat the object, so our question is, what would be replaced by the mains supply? for example would you be able to run it from a windmill power system? or some sort of water wheel set up running the motor? what would be the minimum RPM the motor would need to turn in order for the alternator to produce a steady 220v ? Thank you once again

@MrElectron so how long can you run this generator?

Can you generate DC power in the stator part of an Electrical Generator?

ottima idea bravo

Good job Mr electron, is it possible to make a motor by combination of permanent magnets in stator coil and also in rotor both to be permanent magnet an stoppable motor

Is the motor a high voltage brushed dc motor which uses in treadmill? And what will happen if you replace the electromagnetic rotor and use a permanent magnet rotor? will the current and voltage increase in a lower rpm ?

Hey, you have some doubts about car alternator, if the alternator is good, that means the pre installed rectifier in the alternator, it produce maximum voltage 14.9 v for 1500 rpm. If the rpm is high the voltage never exceed 14.9v for good alternator. It never produce 20v or more. Then you don't need the motor controller to control the motor if it rpm is more than 1500. Second one, there is no need to use resistance to start using the alternator. It doesn't mean the wattage of the alternator.

Helo Mr Electron, I love this video so much, especially as it makes your viewers part of the investigation process. Thank you. But there are a few questions I will like to ask. 1. Don't you think making out just 350 watts from a 3000 watts inverter is not ideal? 2. What is the possible way to solve the issue of the resistance wire getting burnt?

Good idea 👍

Hello , I have a question for you . I have put together a setup using a 12 volt thread mill D/C motor and connected the positive from the motor to the positive of alternator and ground cable of motor to alternato

One thing I like is the variable speed dc treadmill motor. I have put these 1 or 2 horsepower motors on my lathe, drill press and milling machines using the micro vee belt to suit the pulley.

What I would like to know is do you remove the voltage regulator from the alternator?

Thats cool you need a gasoline engine to to run your alternator and a solar panel to excite . Keep up the great work

Good job explaining this many other videos like this don't explain many thanks 🧐⚡

Well done a very interesting and informative video, it makes a change from all these guys showing us how to make free electricity from hot glue, speaker magnets and a stationary coil!

Did you consider the ratio of your pulleys?

Super class, so I had thought it too or with battery charge + converter. Thank you

Mr electron is it possible to assemble a system that can power at least a 500watt load? and what would be the cost of it.

Nice work you understand soo well make it easy to be explaned

very very jenius man.................... i love it

You kneed a high wattage reister so lt can handle the heat

Use a automotive break light bulb (incandescent) . I did this long ago to increase output and charge batteries. As the bulb gets brighter the resistance increases, making some voltage regulation.

Did you remove the voltage regulator from the Alternator and simply replace it with the "freehand wire you were using to increase and decrease resistance by lengthening and shortening the connection, and if so; why is the original voltage regulator not used?

Sir, Ultimately you'd use a stream ot wind turbine to spin the alternator Right?

This is genius, now try to connect the motor power to the inverter outlet. You might need to excite the alternator while switching.

Sorry for my slow understanding your project here. If the fly wheel driven by an electrical source not 220v, but you need 220v and you use it to drive the alternate and let alternate produce a source and you convert it to the required voltage source. Was it right? Did I take a long stretch to reach my other ear?

I'm confused here.. If it's self exited, what are you jumping off to bring fourth a connection to activate alternator? Especially when a rotating alternator can produce its own voltage. Your not connected to any monolithic circuit just the brush contact. Could you enlighten me, thanks

is the top red clamp arcing to the top of the alternator ? Not the large clamp the small one you used when the thin wire broke .

What You had yo check was the amperes from the alternador and the capacacity of the inverter, un the still nerd more power that the inverter can provide it Will sound, also the amperes from the alternador

انت فري نايس وشكرا لك على هذا الابتكار

Hello, nice video ! can you get out of the alternator 220v instead of using the inverter ?

To wire straight to the “ Stator “ which creates electricity in the neighborhood of 2,000v at the purest pure-sine-wave

culd it by posibel to make a brush type rectifier for dc generators and useing 2 diferent wire size coils in stator winding on a crystal baterry set up ?

14 years since i stop engaging with electrical and electronics, i became rusty, i just realized how is that a must have nowadays not to rely on the power grid. We just have a biggest storm in our province ang hundreds of thousands still dont have power in their home for weeks now.

Plug the inverter into the DC power board. Forget the motors.

very nice technical info...keep it up..Thank u....

Quite interesting, really, but too complicated to understand (to me). I'd like to setup and test one, but I still haven't understood why/were to link the small battery, and all the rest of course. But thank you

Excellent video that was great! I have a question, is the exciter cable cable what provides the initial electromagnetic force to the rotary winding? If so how does it continue to have magnetic charge after initial excitation

So nice....smart project

I would like to see someone try to run the motor that is running the alternator from the output of the alternator.

Can you exite the alternator using external power like solar or 12v battery like you did with the small battery to power it so it can power the 220v motor via drive belt instead of using the A.C. power to power the 220v motor.?

It's possible to charging a 12 volt battery ?

Ahoy, nice video! May i ask - normaly the car generator should always output 14,4V right? if not, the regulator of the generator is broken. what is ment by the - generator is exited with 20V ? ... is it something like he has to switch to "energy production" mode with the batterie? thanks for clarification.

dear good successful project, so i will try

Hey buddy much does inverter do i need if i will connect my whole load at my house like i have 10kw(10,000watts) load in total. Please helpe buddy im from philippine. Love your video though.

would be a cool video to convert the alternator to create A/C 220 3 phase with out the inverter. This project has been done by me and my friends 20yrs and other people ago before that. fun project though. look it up

Don't forget alternator running high amps!? Make sure you have a regulator in the circuit! Some cars had regulator on the fire wall or near the distributor coil. Some alternators have a regulator built in. One day I'm gonna try this stuff too! There has to be another way to enjoy creature comforts without a utility bill(lol!)! Maybe take a tachometer & check your average rpm around the alternator in an actual vehicle! (Not talking about the RPM of the car engine!!)

Ok felicitări

You are spending more energy running that device than you are creating, remember it is spent in running the motor, it is wasted in heat, friction, in the cool inverter fan etc, to produce only a little, generating noise, heat and Cooriented expense in addition to the cost of all the equipment and you still have to plug the motor into the network "what a waste"

How many rpm have you used in it...?

Folosește o rezistență cu răcire din ceramică.Cred că va merge. Use a ceramic cooling heater. I think it will work

Good job

thanx for the vid

And a self exciting GM one wire slow turn charging alternator !

I am very interesting like this.. please replay me. my doubts that's the inverter you need to work without battery right, my question is inverter need 12volt.alternate already 12-14volt out put then why you do many connection works in alternate. (This is my English )

You need to create governor in order to maintain speed.

Should use 10gage wire on field activation as well 12 volt battery in parallel with the inverter, then drill will run with no problem

You should use an alternator voltage regulator so that you will not have problem with over excitation. However, the rpm of the DC motor decreases as the load increases. This won't work perfectly.

hello mr electron what is that white box with the knob you keep turning, up and down on the motor can you make me one

Hallo dear please tell me if we run car altornator with steam than we can produce 20kw Power it is possible

After all trial combine your ac output parallel to ac in your extinction then after that try once again to switch of your main ac and let it on self running

How to built rpm controller? Where do I get the inverter and how much is that?

I have seen almost u r vieos u r tring to prodce more power then u have to use perminent magnet moter then u well be success.

Some of the comments are incredibly ignorant. All too familar the egotistical closed minded individuals. If you cannot see how this is beneficial and super efficient you've obviously failed to research in depth or at all. The impulse to criticize something you haven't the slightest clue about speaks for itself. Prisoners held captive in your own head. Great video btw your an inspiration and an intellectual thank you for sharing your knowledge.

Mr. Electron i want to run angle grinder Voltage220-230 VAmperage3AFrequency50/60 Hz power 670w with tractor battery. I used house ups inverter but within small time beep sound is heard but battery is fully functional. Is there any solution?

Brilliant !