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  #3901  
Old 07-14-2018, 11:57 PM
bistander bistander is online now
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My other DC boost converter

I have two DC boost converters. I call the one from the previous post the digital because it is adjusted digitally. The other boost is similar except it is adjusted by trim pots for output current limit and output voltage, hence I refer to it as analog. They both operate on PWM (digital control). Anyway I just tested it. Turion's circuit needs two boost converters.



From left to right. First boost converter (digital adjustable), second boost converter (analog adjustable), and my watt meter.

I used a 13.3 ohm load resistor.

Input 12.11V, 5.27A, 63.8W
Output 27.67V, 1.99A, 55.06W, 86.3% efficient.

Input 12.4V, 1.28A, 15.7W
Output 14.13V, 1.01A, 14.27W, 90.9% efficient.

bi
Attached Images
File Type: jpg IMG_20180714_181131-1.jpg (535.6 KB, 13 views)
File Type: jpg IMG_20180714_181131-1_kindlephoto-3799994785.jpg (170.1 KB, 139 views)
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Last edited by bistander; 07-15-2018 at 02:04 AM. Reason: Trying to downsize photos
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  #3902  
Old 07-15-2018, 08:40 AM
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ilandtan ilandtan is offline
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Quote:
Originally Posted by Turion View Post
Dave,

Thank you for finding this patent application. It is interesting to note it's not a granted patent, so again nobody can capitalize. If you look for the guy or the company no surprise that there is the big goose egg to that concept or company. I see some similarities to the 3B idea, however. The WO is stating an existence of a source of power, that has been discussed on other threads, and I believe it is a clear description of a D.S. AEG.

jm2c

John
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  #3903  
Old 07-15-2018, 01:21 PM
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Matthew Jones Matthew Jones is offline
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Quote:
Originally Posted by bistander View Post
I have two DC boost converters.....
Thats what I was telling you is the analog's are better. More than likely if you raise the input voltage you'll gain a couple of points on either one. They tend to run more efficient. With these simple little systems I tend to run a 24v and bring it up 36v. The returned energy ends up being less strain on the batteries and the overall efficiency of everything goes up especially in the batteries.

Also make sure to use big wires for the same reason. Test leads don't do the job.

Matt
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  #3904  
Old 07-15-2018, 02:52 PM
wrtner wrtner is offline
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Quote:
Originally Posted by ilandtan View Post
Dave,

Thank you for finding this patent application.
It's priority date is 1990.
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  #3905  
Old 07-15-2018, 03:38 PM
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Turion Turion is online now
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Patents

When you are looking at a patent on line, most of the patent sites have a listing entitled “similar patents” it is a giant rabbit hole with lots of branches and tunnels, but I find some really interesting stuff from time to time.

As to boost modules......the efficiency at which they work will determine how successful your system is. They have boost modules that are in the very high 90’s for efficiency according to their specs. It’s a matter of how much you want to pay for the efficiency.
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Last edited by Turion; 07-15-2018 at 03:42 PM.
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  #3906  
Old Yesterday, 11:36 AM
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wantomake wantomake is offline
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Checking in

Just quick post.

Not had any shop time last week or this. Trying to get our home renovated is real pain. Working with contractors takes patience and good negotiations skills.

I'm still trying to learn a CAD program so a member can cnc parts for me. Trying to make the opposing magnets holders/adjustable parts. Who lied saying retirement was fishing, drinking beer, laid back with nothing to do?

Is anyone trying the latest setup with the boosters Matthew outlined?

Well coffee has cooled and must move toward microwave to heat it up.
wantomake
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  #3907  
Old Yesterday, 02:17 PM
bistander bistander is online now
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One Battery Set-Up

Quote:
Originally Posted by wantomake View Post
...
Is anyone trying the latest setup with the boosters Matthew outlined?
...
Hi wanto,

Do you mean this?


Diagram was attachment to his 7/13/2018 post:
Quote:
Originally Posted by Turion View Post
If you have the stuff, give this a shot. It's as CHEAP as you will get.
I am unsure, but it might be the circuit which Matthew promised to "film" and post but has yet to do so. I was curious about it and since I had all the needed components on hand, I have been "building" it. Got life to deal with so going slower than I wished. I did get it all together and it did "run", but was unstable and appeared to be overloading some components, so I shut down and pre-tuned my converters and got a second wattmeter working. I have yet to test again. Here's a photo of the first system test.



Regards,

bi
Attached Images
File Type: jpg OneBatteryDiagramc.jpg (74.2 KB, 38 views)
File Type: jpg OneBatteryMGTest.jpg (116.0 KB, 38 views)
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Last edited by bistander; Yesterday at 03:11 PM.
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  #3908  
Old Yesterday, 02:32 PM
liber63 liber63 is offline
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Hi James!
I have tried the two batteries setup with boost converter and Matt's motor running in between. 20 minutes run then rest for 30 minutes, then run opposite direction for 20 minutes again. Done few rounds, total run 1 hour and a half.
After 30 hours or more both batteries showed gains, total 0,12 volt. Had motor running alone, not with generator.
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  #3909  
Old Yesterday, 04:21 PM
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wantomake wantomake is offline
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Looks good

Bi,
I just tried to post here and lost all that one finger typing. It wouldn't post to Energeticforum website.
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  #3910  
Old Yesterday, 07:09 PM
bistander bistander is online now
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Quote:
Originally Posted by wantomake View Post
Bi,
I just tried to post here and lost all that one finger typing. It wouldn't post to Energeticforum website.
You gotta watch out for that. I preview my posts often. If you have a bum character (even hidden or invisible) it will cause it not to post. Usually it won't preview ether. Just go back in browser and delete most recent lines until it will preview then retype those deleted lines. Just happened to me the other day.

bi

I used to copy and paste all my composed posts into msword before hitting the send button. Another way to safeguard long posts.
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  #3911  
Old Today, 01:20 AM
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Turion Turion is online now
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Amps and other things

Liber63,
With a generator attached you will get better charging because the motor is pulling MORE amps, and batteries do like to be hit with some amps to pulse charge. But that is where MOST people run into failure. They donít have big enough batteries, so suddenly they are exceeding the C-20 discharge rate of their primaries and wondering why nothing works. So you either have to have bigger batteries for the load, or more batteries in parallel. If you go with more batteries in parallel, remember you CANNOT just hook the batteries all in parallel and connect the load to ONE of them. The line from the load must be the same length to EACH battery in parallel. We have said this a million times but I still see people posting pictures of setups I KNOW wonít work.
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  #3912  
Old Today, 01:40 AM
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Matthew Jones Matthew Jones is offline
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Quote:
Originally Posted by bistander View Post
Hi wanto,

Do you mean this?


Diagram was attachment to his 7/13/2018 post:


I am unsure, but it might be the circuit which Matthew promised to "film" and post but has yet to do so. I was curious about it and since I had all the needed components on hand, I have been "building" it. Got life to deal with so going slower than I wished. I did get it all together and it did "run", but was unstable and appeared to be overloading some components, so I shut down and pre-tuned my converters and got a second wattmeter working. I have yet to test again. Here's a photo of the first system test.



Regards,

bi
Has the motor in your circuit been modified? If its not modified as I outlined in a series of movies on you tube it won't work. And since its not the Razor scooter motor and it might not be modified how are you expecting it to work? And who are you going to blame when it does not work?
Don't you dare say it doesn't work when you are deviating from the plan, no matter how much you insist on measuring everything.

I don't know about anybody else but I see it coming now, cause it will not work the way the David outlined it without the modified motor.

Matt
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