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Old 11-03-2010, 12:10 PM
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Farmhand Farmhand is offline
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Solar Charging/Pulsing Circuit and Variants

Hello all,
I've been messing around for a while with a very simple circuit to pulse a battery from a solar panel and make some better use of low light days (cloudy).

Here is the basic circuit.
http://public.bay.livefilestore.com/...c-2.bmp?psid=1
The SCR capacitor arrangement allows the solar panel to keep the capacitors a couple of volts over the battery even in continuous conduction mode when the SCR does not switch off, in low light when the caps fill very slowly the SCR switches off and on and the circuit pulses the battery with amplified power up to 5 or 6 X, eg with 50Ma from the panels this setup pulses out up to 300Ma.

It's quite simple and works pretty good I have this basic setup boxed up so I can use it as a portable charger with a small solar panel.

I have played around with ways to force the SCR to commutate (switch off and on) and came up with the idea of adding an trifiler oscillator with capacitor discharger to the output of the original circuit which works very well and also allows the oscillator output to used alone.

Here is the final circuit that i'm using now minus the led I havn't tried that yet.
http://public.bay.livefilestore.com/...1.4.bmp?psid=1
The oscillator source battery can be recharged from the panels, the capacitor dump voltage can be adjusted by the zener selection, the oscillator has frequency/power control, the SCR cap dump on the charge side of the oscillator has not been tested yet because I use a cheapo charge controller there but I think it will pulse charge the oscillator source battery as well when the oscillator is running.

The setup is self regulating to a degree in that when the oscillator is running and the setup is pulsing, the battery will stop charging at the desired voltage if the correct zener is selected eg. if the panels can only put out 20 volts max and the voltage drop caused by the zener the 1N5408 diode and the SCR gate trigger voltage equals or exceeds the difference between the battery voltage and the panel output voltage the panels can't raise the cap voltage high enough to dump so the solar power is blocked and the battery is trickle charged by the oscillator. This feature can also be used to equalise a bank by selecting a lower value zener.

I also made a battery swapper with load dump to go with it, it still has a bug so I have not labeled the zener value's and relay working voltage ratings yet.
It works ok but the zeners get warm so power is leaking where it shouldn't.
Here's some video's they are not good I will make a better one later.
http://public.bay.livefilestore.com/...1.0.bmp?psid=1

YouTube - AlternateFarmhand1's Channel

YouTube - AlternateFarmhand1's Channel

YouTube - AlternateFarmhand1's Channel

Any idea's too improve or vary this circuit or add to it are welcome. The oscillator I use is a variant of John Bedini's design the SCR cap dump is old hat. I think that covers it so far.

Edit. I should add that the capacitors in the basic circuit could be any suitable value or number of caps you would wish or need, the zener on the SCR gate could be replaced with one or more 1n5408 diode's or a different diode or diode's could be used there and used in different combinations, a triac or even a mosfet could possiblly be used instead of the SCR anything is possible if it works.

Cheers all.

Last edited by Farmhand : 05-27-2012 at 12:18 AM.
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Old 11-03-2010, 10:52 PM
automan automan is offline
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Very nice work! I am new here but I find your posts to be very informational.All the work you put into the schematics and video, not to mention the actual assembly and testing. I am truly surprised to see no other reply yet. I only wish I had the time and knowledge to devote to electronics and engineering and such. I am testing a low-voltage hybrid Bedini motor/charger circuit design I made in my spare time, its not much to speak of but at least I'm learning. I will post it as soon as I'm confidant that it is a sound design and I get a video camera.

Cheers,
Keep up the good work!
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Old 11-04-2010, 12:07 AM
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Farmhand Farmhand is offline
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Hello automan, Thanks for your interest. Most people that frequent the forums are already familiar with this basic circuit and it's normal not to get many reply's so soon.

Quote:
I am testing a low-voltage hybrid Bedini motor/charger circuit design I made in my spare time, its not much to speak of but at least I'm learning. I will post it as soon as I'm confidant that it is a sound design and I get a video camera.
That awesome, I originally started to put together this basic setup just to see what happened and learn from it, along the way I tried more stuff and now I have a setup that works well, though i'm still trying stuff and ironing out bugs I thought I would share it and make an effort towards the cause of sustainability. I am stll learning and what I did has already been done in differnt ways. I fear that the more i learn only complicates things.

I wanted something very simple not only so I could understand it but also to test a simple and usefull circuit for a starting point of better things, by trying to keep it simple and have a simple and usefull base circuit to expand on hopefully more people from "outside" would be interested and think of other simple things. The more the merrier.

Cheers
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Old 11-04-2010, 01:02 AM
citfta citfta is offline
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Smile Thanks again

Hi Farmhand,

Thanks again for sharing your work with us. I was going to try your simple cap pulser circuit but couldn't find any SCRs at the Rat Shack. They used to carry a lot of things they don't carry now. So I had to order some. When they get here I will be trying some of your circuits.

Thanks, Carroll
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Old 11-04-2010, 09:24 AM
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Farmhand Farmhand is offline
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Hi all, I've been waiting for a chance to catch on video the solar setup pulsing from very low power. Today I managed to get it because it's raining again. I find it a bit strange to talk to no one while I make video it's new to me. This time I managed to not say hello folks at the start but there's still a lot of umms Sorry, not many ahh's though.

You can draw you own conclusions about the pulses but as my dear mum would say "Waste is a tool of the devil" I used a digital current meter on the output to show some numbers.

Any way I made a small mistake in the video I say the oscillator is using 150Ma and putting 75Ma into the system, however it is actually using 170Ma and putting 110 Ma into the system, I haven't actually measured its output since putting a pot on it to adjust the frequency. I measured it afterward. You can see in the vid that between pulses there is a steady 110Ma still flowing from the oscillator. It's embarrasing but i've forgotten how to work that out as a percentage.
No matter.

Here's the vid- YouTube - AlternateFarmhand1's Channel

I'll try to make time tommorow to demonstrate the function of the battery swapper on a couple of good batteries, I have a load dump set up but it's only two fans, if the sun is out they might get fried if they can't handle 18 volts.

Cheers

citfta I forgot to respond to your post sorry. I had a bit of trouble finding SCR's too locally, you won't be dissapointed if you do try one, one thing to watch out for is the SCR terminals can get confusing when you use them on the negative line, the annode must go to the battery and the cathode to the caps, the diode must go from the SCR annode to the gate. It dosen't look it but it was confusing for me I got it all backwards and sideways a couple of times, it was very frustrating. I labeled them on the first drawing for those like me who are easily distracted and confused.

Last edited by Farmhand : 11-04-2010 at 09:58 AM.
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Old 11-04-2010, 11:51 AM
totoalas totoalas is offline
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Solar Charger

Hi Farmhand
Simplicity is the best circuit for beginnners like me
I have a circuit from Groundloop for the auto iight switch

Solar charging with regulation/ voltage swapper from your circuit and the above circuit integrated will be a SUPER JOULLE THIEF SLAYER/FARMAND/ GROUNDLOOP COOL. POWER /LIGHT//CHARGER rolled into one

Im aiming for a solar cell from caculator and the above circuit in scale down design using only 1 aa battery to power the circuit

Hope you can give this a thoughtfull insight
cheers

totoalas



Joulethief SEC exciter and variants
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Old 11-04-2010, 02:41 PM
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Farmhand Farmhand is offline
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Hi totoalas, I like the way you think power/light/charger, there really is a lot of very usefull and unique things a person can build from the knowledge they gain reading these forums, the circuit you link me to is very interesting I think i know what it does from it's name and how by the parts of that thread I have read before. But I have one question before I go study it some more.

Where is the light? I don't see it.

As i see it L2 is pulsed at very high frequency and L1 and L3 resonate with it like three aerials. Oh boy there is three again it's everywhere.

I think i might be distracted again for a while I am intrigued I think I want one of those on my bench. I must try to understand it.

Make that two questions. What is the purpose of the transistor Labeled "NC" between L1 and the positive ? It's emitter not connected.

Sorry to ask questions straight back to you.

I will go and read up on it. Thank you very much for showing me that.

Regards
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Old 11-04-2010, 03:22 PM
totoalas totoalas is offline
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Quote:
Originally Posted by Farmhand View Post
Hi totoalas, I like the way you think power/light/charger, there really is a lot of very usefull and unique things a person can build from the knowledge they gain reading these forums, the circuit you link me to is very interesting I think i know what it does from it's name and how by the parts of that thread I have read before. But I have one question before I go study it some more.

Where is the light? I don't see it.

As i see it L2 is pulsed at very high frequency and L1 and L3 resonate with it like three aerials. Oh boy there is three again it's everywhere.

I think i might be distracted again for a while I am intrigued I think I want one of those on my bench. I must try to understand it.

Make that two questions. What is the purpose of the transistor Labeled "NC" between L1 and the positive ? It's emitter not connected.

Sorry to ask questions straight back to you.

I will go and read up on it. Thank you very much for showing me that.

Regards
Hi Farmhand
thanks for your swift reply
The lamps are wireless radiant energy ignites the gas in fluorescent lamps
neon lamps and la bunch of leds 30 0r more with avrenko plug(conected to ends of a series connection led with reversedirection andends connected together
NC not connected
MPSA06 easily fried above 100 ma or ore so this serves as current limiter
i can go up to 180 ma 2 16 volts with controlled heat for 16 hours straight load of 4 8 watts 1 20 w atts and 40 leds

Hope to have your input in this

thanks

totoalas
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Old 11-04-2010, 03:40 PM
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Farmhand Farmhand is offline
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Ok I think I see now one wire of the bulb gets connected to NC ?

What is LDR Connector ?

It's late here and i'm very tired so i'll have to crash.

Tomorrows another day.

Cheers
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Old 11-04-2010, 03:50 PM
totoalas totoalas is offline
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Hi Farmhand
LDR is a photocell Light detecting resistor if am right

Have a good night sleep
its also 11 49 pm here
Sweet dreams

Thanks mate

totoa las
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Old 11-05-2010, 08:55 PM
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Farmhand Farmhand is offline
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Hi Totoalas, I had a close encounter yesterday with a very large venomous brown snake while I was looking for a missing baby chicken it must have been 8 to 10 feet long, a very effective killer, I found the chicken but it was inside the snake, I was very lucky to see it in time in the long grass. I was standing looking and listening when I happened to look down in front of me about two feet in front of me it was coiled and ready to strike and big enough it didn't feel the need to move. So I stared it in the eyes for a few seconds then retreated very slowly. Pheww. They always take the one's I want to keep for breeding. It will be a good feed for it, it was a hybrid meat chicken and was to be my new breeding rooster. That one snake has set back my breeding program by six months.

Anyway I have some people coming here to help me clean up around the buldings, and so I must focus on that for a day or two. I am putting some thought into the Power / Light / charger idea, all of that in one box and portable would be very usefull. I will be back after the weekend.

Cheers.
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Old 11-05-2010, 09:14 PM
totoalas totoalas is offline
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Quote:
Originally Posted by Farmhand View Post
Hi Totoalas, I had a close encounter yesterday with a very large venomous brown snake while I was looking for a missing baby chicken it must have been 8 to 10 feet long, a very effective killer, I found the chicken but it was inside the snake, I was very lucky to see it in time in the long grass. I was standing looking and listening when I happened to look down in front of me about two feet in front of me it was coiled and ready to strike and big enough it didn't feel the need to move. So I stared it in the eyes for a few seconds then retreated very slowly. Pheww. They always take the one's I want to keep for breeding. It will be a good feed for it, it was a hybrid meat chicken and was to be my new breeding rooster. That one snake has set back my breeding program by six months.

Anyway I have some people coming here to help me clean up around the buldings, and so I must focus on that for a day or two. I am putting some thought into the Power / Light / charger idea, all of that in one box and portable would be very usefull. I will be back after the weekend.

Cheers.
Hi Farmhand
Gud instinct to stare at the snake
In the Philipines we usually throw our shirts to the snake so as it concentrate on biting it

We usually catch snake 5 per week on an old fishing net wrapped around the fence with the chickens freely roaming our garden
A dog and goose usually augment the security

Take care

totoalas
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Old 11-06-2010, 12:37 PM
Guruji Guruji is offline
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Circuit

Hi Farmhand sometimes bad luck should be taken in good luck cause maybe the chicken was not in the snake stomach maybe you could be his target when you faced that snake.
Please inform us when that circuit of yours would be ready from bugs that you're experiencing cause I am ready to build replicate it.
Thanks
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Old 11-06-2010, 04:02 PM
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Quote:
Originally Posted by Farmhand View Post
Hello all,
I've been messing around for a while with a very simple circuit to pulse a battery from a solar panel and make some better use of low light days (cloudy).

Here is the basic circuit.
http://7iprpq.bay.livefilestore.com/y1pzlKSLvbG7zBGpwAvnXCd2pjGGFGOrenqr7vtSLEC0r2sga7 4O8MET1_6SIQHDomj_U9hqqE9e6bw66NaqwdepQI8Ng77ZWHz/Solar%20circuit%20Schematic%20Basic-2.bmp?psid=1

The SCR capacitor arrangement allows the solar panel to keep the capacitors a couple of volts over the battery even in continuous conduction mode when the SCR does not switch off, in low light when the caps fill very slowly the SCR switches off and on and the circuit pulses the battery with amplified power up to 5 or 6 X, eg with 50Ma from the panels this setup pulses out up to 300Ma.

It's quite simple and works pretty good I have this basic setup boxed up so I can use it as a portable charger with a small solar panel.

I have played around with ways to force the SCR to commutate (switch off and on) and came up with the idea of adding an trifiler oscillator with capacitor discharger to the output of the original circuit which works very well and also allows the oscillator output to used alone.

Here is the final circuit that i'm using now minus the led I havn't tried that yet.
http://public.bay.livefilestore.com/...1.4.bmp?psid=1

The oscillator source battery can be recharged from the panels, the capacitor dump voltage can be adjusted by the zener selection, the oscillator has frequency/power control, the SCR cap dump on the charge side of the oscillator has not been tested yet because I use a cheapo charge controller there but I think it will pulse charge the oscillator source battery as well when the oscillator is running.

The setup is self regulating to a degree in that when the oscillator is running and the setup is pulsing, the battery will stop charging at the desired voltage if the correct zener is selected eg. if the panels can only put out 20 volts max and the voltage drop caused by the zener the 1N5408 diode and the SCR gate trigger voltage equals or exceeds the difference between the battery voltage and the panel output voltage the panels can't raise the cap voltage high enough to dump so the solar power is blocked and the battery is trickle charged by the oscillator. This feature can also be used to equalise a bank by selecting a lower value zener.

I also made a battery swapper with load dump to go with it, it still has a bug so I have not labeled the zener value's and relay working voltage ratings yet.
It works ok but the zeners get warm so power is leaking where it shouldn't.
http://public.bay.livefilestore.com/y1pJZoLq5vEFW4edvqpfcT2CmoZvCja6gEc_FTqfz8ciqZS4LM J5zPhYHF0iyC4Yh0bc5yWNhRCz4RkBUAHfWJXsQ/Battery%20Swapper_1.0.bmp?psid=1
Here's some video's they are not good I will make a better one later.

YouTube - AlternateFarmhand1's Channel

YouTube - AlternateFarmhand1's Channel

YouTube - AlternateFarmhand1's Channel

Any idea's too improve or vary this circuit or add to it are welcome. The oscillator I use is a variant of John Bedini's design the SCR cap dump is old hat. I think that covers it so far.

Edit. I should add that the capacitors in the basic circuit could be any suitable value or number of caps you would wish or need, the zener on the SCR gate could be replaced with one or more 1n5408 diode's or a different diode or diode's could be used there and used in different combinations, a triac or even a mosfet could possiblly be used instead of the SCR anything is possible if it works.

Cheers all.
Great work!
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Old 11-06-2010, 10:35 PM
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Farmhand Farmhand is offline
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Hi jbsolar, and welcome to the forum welcome also to automan, and thank you all for the kind words.

I have good news, I found my baby rooster this morning. Guruji made me think I shouldn't give up on it so easily and assume the lump I seen in the snake was it, So I look and look and I find him he was stuck under a upturned water tub. I am so happy about that. Thanks Guruji if it were not for you his fate would have been worse than being eaten.

Anyway my visitors got to laugh at me before they left.

Last night I dragged my little toy three pole Bedini out to demonstrate to people so I make a small video, it has some pretty lights and spins pretty fast.

YouTube - AlternateFarmhand1's Channel

I am determined to demonstrate the battery swapper today, I have finally got a firewire connection in this computer, for better vids hopefully.

Totalas I have been thinking that with an exciter in your circuit you would maybe be able to use a "plate P" setup, a (Tesla radiant energy receiver) instead of a solar panel. I don't really know but I think the exciter would make it work better than normal. It might not work good enough but I think it should be tried. I get good results putting mine near a AC Flouro, enough to charge a 6v battery very slowly. It may even be able make the setup self sustaining.

It's a fine day today.

Cheers all.
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Old 11-07-2010, 03:07 AM
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Here's the swapper video, I realised while making the vid that it's wired wrong, different to the drawing, but it works just different, i'll make a drwing of how it is now, when I work that out. Then i'll wire it like the drawing and try again.

Hope that makes sense.

YouTube - AlternateFarmhand1's Channel

Cheers
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Old 11-07-2010, 03:40 AM
totoalas totoalas is offline
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Farmhand Battery Swapper Slayer Circuit Self Runner

Quote:
Originally Posted by Farmhand View Post
Hi jbsolar, and welcome to the forum welcome also to automan, and thank you all for the kind words.
[
I have good news, I found my baby rooster this morning. Guruji made me think I shouldn't give up on it so easily and assume the lump I seen in the snake was it, So I look and look and I find him he was stuck under a upturned water tub. I am so happy about that. Thanks Guruji if it were not for you his fate would have been worse than being eaten.

Anyway my visitors got to laugh at me before they left.

Last night I dragged my little toy three pole Bedini out to demonstrate to people so I make a small video, it has some pretty lights and spins pretty fast.

YouTube - AlternateFarmhand1's Channel

I am determined to demonstrate the battery swapper today, I have finally got a firewire connection in this computer, for better vids hopefully.

Totalas I have been thinking that with an exciter in your circuit you would maybe be able to use a "plate P" setup, a (Tesla radiant energy receiver) instead of a solar panel. I don't really know but I think the exciter would make it work better than normal. It might not work good enough but I think it should be tried. I get good results putting mine near a AC Flouro, enough to charge a 6v battery very slowly. It may even be able make the setup self sustaining.

It's a fine day today.

Cheers all.
Joulethief SEC exciter and variants
IMG] Uploaded with ImageShack.us[/IMG]


hi Farmhand
Self sustaining and self runner The GOLD MEDAL of the Exciter Circuit
A lot of ways to charge battery but no feedback/ charge /regulation/mechanism to the source
Yours is the answer to our prayers Allelujah Buddy

Any kind of power source let it be solar wind radiant energy Bedini and even HHO will solve half of the worlds climate change
Thanks to you guys in the forum
Let the fun begin

cheers

totoalas

Last edited by totoalas : 11-07-2010 at 03:59 AM.
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Old 11-07-2010, 04:20 AM
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Farmhand Farmhand is offline
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I'll try to make a drawing later tonight, I would like to try this as well with a simple exciter circuit, as simple as possible so I can get some results quickly as an indication. I really don't know if it would work. Maybe someone with an exciter could try a small experiment soon ?

I think I have some sketches of an appropriate circuit here to go by. It's all in my head too but sometimes I forget some minor details. I nearly always get it wrong the first couple of times.

There is one thing. A good earth stake will most likely be needed. There might be a way around that too if thats impossible.

It was just an idea it doesn't hurt to aim high to start with we might get lucky. A piece of aluminium is much cheaper than a solar panel. There is always the solar cell to fall back on of course.

Here's a sketch of kinda what I had in mind, the neon would need to go and a low voltage zener used with another diode to charge a 1.2 / 1.3v battery, It works on a six volt battery I tried it, it charged to 6.4v but thats all. There are probably other ways to do the switching as well.

http://public.bay.livefilestore.com/...001.JPG?psid=1

Now if the plate "p" was a pyramid shape and near the exciter. Nah just kidding, I like pyramids, it would look neat if it worked as a pyramid shape, that would Sweet.

Actually with an exciter lighting lights completely wirelessly this should be easy, however i would advise precautions be taken incase of unexpected results ie higher than expected voltage or current, I would begin by short burst's if measurements are incremental or monitor it. We can only hope.



I only urge caution because I am not familiar with exciters, those that are, will know whats safe much better than me of course, but I had to say it.

Last edited by Farmhand : 11-07-2010 at 06:18 AM.
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  #19 (permalink)  
Old 11-07-2010, 12:07 PM
Guruji Guruji is offline
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Alive

Hi Farmhand I was happy that the chicken is still alive and you continued to search for it. That's the true spirit. Perseverance

Totoalas interesting that video of the fan modification. I had one but in the past but now destroyed it cause I thought that it cannot be modified to a genny Ok thanks guys for the info that you're sharing.
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  #20 (permalink)  
Old 11-17-2010, 10:35 AM
totoalas totoalas is offline
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Joule Theif Evolution; The Eternity Light Project

YouTube - Inquorate's Channel

Hi Farmhand

I think youll like this

cheers

totoalas

Big Joule Theif

Last edited by totoalas : 11-17-2010 at 10:40 AM.
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Old 11-17-2010, 08:49 PM
Guruji Guruji is offline
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Circuits

Quote:
Originally Posted by Farmhand View Post
Hello all,
I've been messing around for a while with a very simple circuit to pulse a battery from a solar panel and make some better use of low light days (cloudy).

Here is the basic circuit.
http://7iprpq.bay.livefilestore.com/y1pzlKSLvbG7zBGpwAvnXCd2pjGGFGOrenqr7vtSLEC0r2sga7 4O8MET1_6SIQHDomj_U9hqqE9e6bw66NaqwdepQI8Ng77ZWHz/Solar%20circuit%20Schematic%20Basic-2.bmp?psid=1

The SCR capacitor arrangement allows the solar panel to keep the capacitors a couple of volts over the battery even in continuous conduction mode when the SCR does not switch off, in low light when the caps fill very slowly the SCR switches off and on and the circuit pulses the battery with amplified power up to 5 or 6 X, eg with 50Ma from the panels this setup pulses out up to 300Ma.

It's quite simple and works pretty good I have this basic setup boxed up so I can use it as a portable charger with a small solar panel.

I have played around with ways to force the SCR to commutate (switch off and on) and came up with the idea of adding an trifiler oscillator with capacitor discharger to the output of the original circuit which works very well and also allows the oscillator output to used alone.

Here is the final circuit that i'm using now minus the led I havn't tried that yet.
http://public.bay.livefilestore.com/...1.4.bmp?psid=1

The oscillator source battery can be recharged from the panels, the capacitor dump voltage can be adjusted by the zener selection, the oscillator has frequency/power control, the SCR cap dump on the charge side of the oscillator has not been tested yet because I use a cheapo charge controller there but I think it will pulse charge the oscillator source battery as well when the oscillator is running.

The setup is self regulating to a degree in that when the oscillator is running and the setup is pulsing, the battery will stop charging at the desired voltage if the correct zener is selected eg. if the panels can only put out 20 volts max and the voltage drop caused by the zener the 1N5408 diode and the SCR gate trigger voltage equals or exceeds the difference between the battery voltage and the panel output voltage the panels can't raise the cap voltage high enough to dump so the solar power is blocked and the battery is trickle charged by the oscillator. This feature can also be used to equalise a bank by selecting a lower value zener.

I also made a battery swapper with load dump to go with it, it still has a bug so I have not labeled the zener value's and relay working voltage ratings yet.
It works ok but the zeners get warm so power is leaking where it shouldn't.
http://public.bay.livefilestore.com/y1pJZoLq5vEFW4edvqpfcT2CmoZvCja6gEc_FTqfz8ciqZS4LM J5zPhYHF0iyC4Yh0bc5yWNhRCz4RkBUAHfWJXsQ/Battery%20Swapper_1.0.bmp?psid=1
Here's some video's they are not good I will make a better one later.

YouTube - AlternateFarmhand1's Channel

YouTube - AlternateFarmhand1's Channel

YouTube - AlternateFarmhand1's Channel

Any idea's too improve or vary this circuit or add to it are welcome. The oscillator I use is a variant of John Bedini's design the SCR cap dump is old hat. I think that covers it so far.

Edit. I should add that the capacitors in the basic circuit could be any suitable value or number of caps you would wish or need, the zener on the SCR gate could be replaced with one or more 1n5408 diode's or a different diode or diode's could be used there and used in different combinations, a triac or even a mosfet could possiblly be used instead of the SCR anything is possible if it works.

Cheers all.
Hi Farmhand can you please post those schematics a little bigger cause they're too small.
Thanks
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  #22 (permalink)  
Old 11-17-2010, 10:08 PM
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Farmhand Farmhand is offline
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Hi all, very sorry about that, accidentally removed wrong pictures from my space, will upload them again as soon as possible. My mistake just another funny error on my part. Very busy today probably about 4 to 5 hours.

I don't know how I went wrong, they are upgrading windows live blogs to something else and I was attempting to move my pics to a different location, but i ran out of time. I'll fix the links above and all as soon as I can.

Once again very sorry about that. I'll fix it.

Cheers all.
Farmhand
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Old 11-18-2010, 01:28 AM
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Farmhand Farmhand is offline
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Ok fixed the links above. I'm not as computer savvy as I would like to be I can't work out how to make it so the thumbnail attachments open up big. Any hints on how to do that ? I won't change any attachments till I work that out.

Any way I have a lot of links to fix now, how embarrasing. I'll do the best i can as quickly as I can.

Sorry folks monumental mess here, it seems my computer is just as messy as my work bench.

If anyone wants a drawing linked or fixed just let me know.

Regards
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  #24 (permalink)  
Old 11-18-2010, 11:41 AM
totoalas totoalas is offline
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Image attachment

Quote:
Originally Posted by Farmhand View Post
Ok fixed the links above. I'm not as computer savvy as I would like to be I can't work out how to make it so the thumbnail attachments open up big. Any hints on how to do that ? I won't change any attachments till I work that out.

Any way I have a lot of links to fix now, how embarrasing. I'll do the best i can as quickly as I can.

Sorry folks monumental mess here, it seems my computer is just as messy as my work bench.

If anyone wants a drawing linked or fixed just let me know.

Regards
Hi farmhand
imageshack and yahoo flkr they are all great link tools

e too i want to start on your voltage swapper ad auto oltage regulator from solar panel

thanks

totoalas
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Old 11-19-2010, 12:35 AM
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Inquorate Inquorate is offline
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Good stuff

Nice thread. I love it when people make useful projects
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Old 11-21-2010, 06:28 AM
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Farmhand Farmhand is offline
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Hi Inquorate, Thanks mate, I was inspired by a drawing you posted here somewhere actually, showing a relay cap pulser, and you also posted the method for the SCR as well I think in that same thread, very helpfull. And so while I was trying to devise an alternating relay pulser, I decided it was too difficult and decided to go this way.

Mine is still working very well, it will take some tuning of the setup to work in different ways. But it works. Though I get the feeling it does restrict the energy flow a bit at higher throughputs. At lower throughput it improves the flow in my opinion. Well thats the idea.

So has anyone had any success with it yet? Anyone tried a different switching method?

Totoalas I havn't had a chance to rewire the battery swapper yet, but I think it will work ok, on mine I used 5v relays with a 100 ohm fixed resister in series with a 5.6v zener diode the 5k trim pot and the relay coil (the 100 ohm fixed resister is not shown on the drawing and is probably not needed anyway).

The theory is the 5v relay has less resistance than a 12v one so the 100 ohm resister is to make up for that. I'll rewire mine test and edit the drawing when I get time.

Cheers all

Last edited by Farmhand : 11-21-2010 at 06:31 AM.
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Old 11-21-2010, 07:29 PM
SeaMonkey SeaMonkey is offline
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An innovative capacitive voltage doubler
pulser circuit, principally for battery desulfation,
has been developed by Mark at the Desulfation
Forum. See it here:

Voltage Doubler Pulser

With just a little modification it would lend
itself well to a Solar Charging application.

As is, it is an efficient self-powered desulfator
for keeping lead acid batteries in top condition.
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Old 11-21-2010, 07:51 PM
Guruji Guruji is offline
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farmhand circuit

Hi Farmhand so in moonlight do you manage to run the oscillator? Cause yesterday I tried to see what voltage is coming in full moon and it was only 0.3v measured on my panel
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Old 11-21-2010, 09:09 PM
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Farmhand Farmhand is offline
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Hi Guruji,
Quote:
Hi Farmhand so in moonlight do you manage to run the oscillator? Cause yesterday I tried to see what voltage is coming in full moon and it was only 0.3v measured on my panel
No I haven't been able to get anymore than that either, Apparently if the trigger is inverted, it can work like that, I tried it but I think I may have done something wrong because my transistor got so hot at 12 volts input it burned a blister on my finger when I touched it. Post #61 in the thred below has the patent number for that setup. I got it to work but it got very hot at 12 volts I think i did something wrong, I guess I must have. Do you have your setup working ?

Method to Dump cap voltage to Battery

Seamonkey you are a very helpfull, Thank you that looks good. I haven't had a chance to build the cmos desufator yet but I am very close to starting the circuit I have the 4001 chips, when I start I don't stop till I finished, so I can keep my mind on the job.

Got another big battery online now.

For those reviving old batteries with a radiant spike device , I noticed that if there is any trace of electrolyte on the top of the battery it conducts the radiant puses outside the battery from one terminal to the other, I was measuring 9 volts on the plastic case inches from the terminal, both probes at once. So what I did was washed the battery with soapy water and rag then scrubbed it a bit with baking soda in solution, problem solved now no voltage reading outside of the battery. I think it making problems for the restoration of that battery.

Cheers

Last edited by Farmhand : 11-21-2010 at 09:11 PM.
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  #30 (permalink)  
Old 11-22-2010, 07:46 PM
Guruji Guruji is offline
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moonlight

Quote:
Originally Posted by Farmhand View Post
Hi Guruji,


No I haven't been able to get anymore than that either, Apparently if the trigger is inverted, it can work like that, I tried it but I think I may have done something wrong because my transistor got so hot at 12 volts input it burned a blister on my finger when I touched it. Post #61 in the thred below has the patent number for that setup. I got it to work but it got very hot at 12 volts I think i did something wrong, I guess I must have. Do you have your setup working ?

Method to Dump cap voltage to Battery

Seamonkey you are a very helpfull, Thank you that looks good. I haven't had a chance to build the cmos desufator yet but I am very close to starting the circuit I have the 4001 chips, when I start I don't stop till I finished, so I can keep my mind on the job.

Got another big battery online now.

For those reviving old batteries with a radiant spike device , I noticed that if there is any trace of electrolyte on the top of the battery it conducts the radiant puses outside the battery from one terminal to the other, I was measuring 9 volts on the plastic case inches from the terminal, both probes at once. So what I did was washed the battery with soapy water and rag then scrubbed it a bit with baking soda in solution, problem solved now no voltage reading outside of the battery. I think it making problems for the restoration of that battery.

Cheers
Hi Farmhand no I'm using a JT to pulse my battery and needs about 150ma least to oscillate maybe I will try the stingo now but as I said 0.3v are too low to work with.
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