Energetic Forum  
Facebook Twitter Google+ Pinterest LinkedIn Delicious Digg Reddit WordPress StumbleUpon Tumblr Translate Addthis Aaron Murakami YouTube 2020 ENERGY CONFERENCE - PRE-REGISTER NOW!!!!

2020 Energy Science & Technology Conference
PRE-REGISTER NOW!!!
http://energyscienceconference.com


Go Back   Energetic Forum > >
   

Renewable Energy Discussion on various alternative energy, renewable energy, & free energy technologies. Also any discussion about the environment, global warming, and other related topics are welcome here.

* NEW * BEDINI RPX BOOK & DVD SET: BEDINI RPX

Reply
 
Thread Tools
  #1  
Old 03-27-2015, 07:09 AM
patdet patdet is offline
Junior Member
 
Join Date: Jul 2010
Posts: 5
charging batteries without a coil

Yesterday afternoon I mutually charged AA NiMH batteries with only
1 transistor,1 cap and one resistor, by connecting the base with a 10K resistor
to the + of the source and the - of the source with a wima capacitor polypropylene
0.1/250V MK8 4. and connecting the collector tthrough a 1N4007 diode with the +
of the charge battery and both - of source and charge connected with the emitter
of the TIP31C transistor.After 4 hours
source from 1.17V to 2.30V (2 AA NiMH)
charge from 1.23V to 8.48V (8 AA NiMH)
So , no expensive wire spools.

PatDet

ps: can someone replicate and confirm this!
__________________
 
Reply With Quote
Sponsored Links

Download SOLAR SECRETS by Peter Lindemann
Free - Get it now: Solar Secrets

  #2  
Old 03-27-2015, 04:12 PM
patdet patdet is offline
Junior Member
 
Join Date: Jul 2010
Posts: 5
trigger

Somebody lent me a scope and it produces sharp needle spikes. So it's loading
with voltage spikes. I'll use it as trigger in an amplification unit.

patdet
__________________
 
Reply With Quote
  #3  
Old 03-27-2015, 05:46 PM
jettis's Avatar
jettis jettis is offline
Senior Member
 
Join Date: Jul 2012
Posts: 122
Quote:
Originally Posted by patdet View Post
Yesterday afternoon I mutually charged AA NiMH batteries with only
1 transistor,1 cap and one resistor, by connecting the base with a 10K resistor
to the + of the source and the - of the source with a wima capacitor polypropylene
0.1/250V MK8 4. and connecting the collector tthrough a 1N4007 diode with the +
of the charge battery and both - of source and charge connected with the emitter
of the TIP31C transistor.After 4 hours
source from 1.17V to 2.30V (2 AA NiMH)
charge from 1.23V to 8.48V (8 AA NiMH)
So , no expensive wire spools.

PatDet

ps: can someone replicate and confirm this!
Can you post a exact schematic of your exact setup?

Thanks,
-Dave Wing
__________________
 
Reply With Quote
  #4  
Old 03-27-2015, 06:52 PM
prembold prembold is offline
Junior Member
 
Join Date: Jan 2013
Posts: 14
Quote:
Originally Posted by citfta View Post
Is this what you are describing? I don't see any connection from the source battery to the charge battery.
simple charger 001.jpg

@citfta - very close, but he called for a TIP31C High power NPN transistors.
in your drawing you have shown a PNP transistor, also you have your batteries polarities reversed, reference : Battery (electricity) - Wikipedia, the free encyclopedia

I ran the circuit in a simulator and did not see the spikes that patdet speaks of.

perhaps this is a case of - build it and the spikes will come . . .

we should just wait for an exact schematic to be posted by patdet
__________________
 

Last edited by prembold; 03-27-2015 at 07:08 PM. Reason: test
Reply With Quote
  #5  
Old 03-27-2015, 07:19 PM
citfta's Avatar
citfta citfta is online now
Gold Member
 
Join Date: Jun 2008
Posts: 1,323
Yes you are correct. I just jotted that down real quick. I should have paid more attention to what I was drawing. I still don't see any connection between the source battery + and the charge battery. I think there is still something missing. Thanks for catching my mistakes. I'll redraw that but I wish he would show what his schematic looks like.

Carroll
__________________
 
Reply With Quote
  #6  
Old 03-27-2015, 07:33 PM
citfta's Avatar
citfta citfta is online now
Gold Member
 
Join Date: Jun 2008
Posts: 1,323
I couldn't find a way to change that schematic to a corrected one so I just deleted the post. Here is a corrected schematic as best I can understand from the description.

Carroll

PS: I went ahead and posted this thinking he may not have a way to post schematics so maybe he can tell us what is wrong with this one.
__________________
 

Last edited by citfta; 10-06-2015 at 09:14 PM.
Reply With Quote
  #7  
Old 03-28-2015, 11:18 AM
patdet patdet is offline
Junior Member
 
Join Date: Jul 2010
Posts: 5
Spikes

Your drawing is correct. I'll intend to play around with it varying capacitor and
resistor values and redirecting it to an optocoupler.

Patdet
__________________
 
Reply With Quote
  #8  
Old 03-29-2015, 07:06 AM
Matthew Jones's Avatar
Matthew Jones Matthew Jones is offline
Platinum Member
 
Join Date: Dec 2007
Posts: 2,741
The diode is spiking. Ultra fast diodes can spike as high as 20 volt if the current drops rapidly. Normal diodes 3-10 volt. 1n4007 is a normal diode.
You can look at it like a light switch hooked up on the supply side, Current on the supply side is suddenly stopped from flowing and you get small arc which creates a spike on the line towards the load. Over time this will either burn the switch or the load.
In your case the power that is left is between the transistor and the diode.

Its something you have to be very aware of when using diodes in line with a gate on a mosfet. Over time the continued spiking of the diode will eat away at the gate and wreak havoc with your turn off time.

Matt
__________________
 
Reply With Quote
  #9  
Old 03-30-2015, 01:19 AM
wayne.ct wayne.ct is offline
Silver Member
 
Join Date: Jan 2011
Posts: 552
Diode spike

Matt, could you explain a bit more about the dynamic in this circuit and elaborate a bit on your explanation? Thanks for helping.
__________________
There is a reason why science has been successful and technology is widespread. Don't be afraid to do the math and apply the laws of physics.

Last edited by wayne.ct; 03-30-2015 at 01:21 AM. Reason: My bad
Reply With Quote
  #10  
Old 03-30-2015, 02:05 AM
BobBrown BobBrown is offline
Senior Member
 
Join Date: Jul 2009
Posts: 105
Quote:
" both - of source and charge connected with the emitter
of the TIP31C transistor"
The updated drawing only shows the one battery set connected to the emitter.
I'm always missing something, but would like to try this one and I've already missunderstood something.

Andrew

Oh, one more thing, is the charging bank in series or parrellel ? 1.5 volts (parrellel) or 12 volts (series)
__________________
 

Last edited by BobBrown; 03-30-2015 at 02:09 AM.
Reply With Quote
  #11  
Old 03-30-2015, 04:29 AM
Matthew Jones's Avatar
Matthew Jones Matthew Jones is offline
Platinum Member
 
Join Date: Dec 2007
Posts: 2,741
Quote:
Originally Posted by wayne.ct View Post
Matt, could you explain a bit more about the dynamic in this circuit and elaborate a bit on your explanation? Thanks for helping.
So if you have a power source, then a switch, then a load, then ground, and you turn the switch on get power flowing, then cut the switch off You will get a small surge of voltage via an Arc. Any time power jumps across air its a transformation of power from current to voltage. It steps up. It also has the physical property of something in motion wants to stay in motion like fly wheel. This is actually a pretty well known effect.

So the same thing happens in a diode. The diode is in front of the load, you turn the current off with the transistor. The diode has capacitance between the anode and cathode so it stores current. When the diode substrate is turning off that bit of current left then basically arcs into the load causing a boost of voltage.

You can maximize this effect by following the data sheet and the "Turn Off" time of a given diode and pulsing the diode at 30% duty cycle.

Remember though this is not free energy in fact its probably a loss of about 30-40% of total power. But the closer you end up to the turn off time and capacitance the more efficient you get.

Hope that helps
Matt
__________________
 

Last edited by Matthew Jones; 03-30-2015 at 04:31 AM.
Reply With Quote
Sponsored Links
  #12  
Old 03-30-2015, 11:04 AM
citfta's Avatar
citfta citfta is online now
Gold Member
 
Join Date: Jun 2008
Posts: 1,323
That drawing is just my idea of what I thought patdet was describing in his first post. He has posted it is correct. However, I see no way for that circuit to charge the batteries as there is no connection from the source batteries to the charge batteries on the positive side.

To answer your questions. The negative of both charge and source batteries ARE connected to the emitter. And in his first post he states tne battery voltages after charging that would indicate the source batteries are in series. He also indicates the charge batteries are in series. Hope this helps.

Quote:
Originally Posted by BobBrown View Post
The updated drawing only shows the one battery set connected to the emitter.
I'm always missing something, but would like to try this one and I've already missunderstood something.

Andrew

Oh, one more thing, is the charging bank in series or parrellel ? 1.5 volts (parrellel) or 12 volts (series)
Carroll
__________________
 
Reply With Quote
Reply

Tags
source, nimh, charge, resistor, batteries, connecting, 1.17v, tip31c, emitter, transistor.after, hours, 2.30v, connected, replicate, confirm, patdet, spools, 8.48v, wire, expensive, 1.23v, 0.1/250v, charged, transistor, 1, cap

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



Please consider supporting Energetic Forum with a voluntary monthly subscription.

Choose your voluntary subscription

For one-time donations, please use the below button.


All times are GMT. The time now is 05:04 AM.


Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimisation provided by DragonByte SEO v1.4.0 (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.
Shoutbox provided by vBShout v6.2.8 (Lite) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.
2007-2015 Copyright - Energetic Forum - All Rights Reserved

Bedini RPX Sideband Generator

Tesla Chargers