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Author Topic: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.  (Read 1696 times)

Offline floodrod

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H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« on: January 11, 2023, 02:26:11 AM »
I was pondering negative voltage in relation to AC, and I thought of a simple way to make an H-bridge or switch polarities easily.

Needs:

2 Batteries
1 relay with NC / NO terminals
and a way to pulse the relay trigger.

Connect the 2 batteries in series.  Tap the lead between the batteries-  that line does not need to switch.  The center tap will be either positive or negative depending on which other wire you use.

The + of a battery will be 12V hotter than the center tap..  And the - Neg terminal will be 12V Lower than the center tap.

Now all you need is a SPDT switch or a relay with NO / NC terminals.  Triggering the relay should result in 12V alternating DC.

This may not be new or groundbreaking for most here-  but it's new to me, and much less complicated than using 1 battery with DPDT switches or 4 mosfets with ardiunos and such.

(tested and my motor switches directions exactly like it should))

Offline synchro1

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #1 on: January 14, 2023, 04:28:29 AM »

@Floodrod.

Here's Art Porter's Solid State GAP. He has battery bank 1 and 2. Bank 1 is the DC power provider and bank 2 the charge batteries. Then he has 2 relays to generate the A.C. Sine wave and a FWBR to rectify the A.C. For storage in bank 2.
This setup mrasures 1.5 O. U.


Your schematic would split the batteries and run on 1 relay right?

Offline floodrod

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #2 on: January 14, 2023, 02:14:40 PM »
@Floodrod.

Here's Art Porter's Solid State GAP. He has battery bank 1 and 2. Bank 1 is the DC power provider and bank 2 the charge batteries. Then he has 2 relays to generate the A.C. Sine wave and a FWBR to rectify the A.C. For storage in bank 2.
This setup mrasures 1.5 O. U.


Your schematic would split the batteries and run on 1 relay right?

Pretty sure the diode on your pic is pointed the wrong way.  I visited gap-power and all his other drawings show that diode the other way.  Not quite sure why it even needs that extra diode. Shouldn't the diodes in the FWBR be doing the same thing?

The video and claim is indeed interesting...  But I tried that exact setup, except instead of a collection battery, I had power going straight to a load. And I was under-unity.  Even with the coil's back EMF.

There may be something to it though..  I am 150% certain when I use a power-supply (that is measuring voltage)  even when I have the power supply LOCKED at 6V, the voltage display can easily read over 10V when sending AC to the choke.

My drawing will simply send AC with 1 relay..  All the positive half waves will come from 1 battery, all the negative 1/2 waves will come from the other.  If you center-tap between a + and - then that terminal does not been to be switched. It will either return or send current depending which other battery lead you use to complete the circuit.

Thanks for the gap-generator info..  It gives me more to test..  I can produce back emf >2x the battery terminal voltage.  I got that part down pat..  Thus far I can not do anything useful with it that results in greater benefit over just running the load normal.

Offline synchro1

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Re: H-Bridge From 1 Relay- Maybe not grossund-breaking but I like it.
« Reply #3 on: January 14, 2023, 10:10:17 PM »
I think if we connected a collection of Super Capacitors, 2 battery positives to the positive of the Capacitor bank and the negative to ground that we can store the higher voltage output in place of a 2nd battery bank. The diode does appear to be redundant in series with the FWBR.


I ordered this DPDT snap action limit switch to do the job:
« Last Edit: January 15, 2023, 12:23:21 AM by synchro1 »

Offline synchro1

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #4 on: January 15, 2023, 08:06:40 PM »
Art maintains that he measured a COP of 291% Overunity just by arcing the contacts of the switch, with no coil, while drawing power from the normally open contact of the switch.

Offline synchro1

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #5 on: January 15, 2023, 08:19:52 PM »
Here's the results. These results are from the arcing in the switch contacts alone. That's why trying to improve Art's GAP generator with transistors or SCR's kills the effect.

Offline synchro1

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #6 on: January 15, 2023, 09:04:58 PM »
There are international prohibitions deterring development of spark gap generators.

Offline synchro1

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #7 on: January 15, 2023, 09:16:58 PM »
The spark generates infinite power. The power to operates a rover and drone on the Planet Mars. The H bridge circuit needs a contact switch that acts as a direct short to generate the overunity.

Rocket Lab is launching a new set of satellites that can detect and locate any radio signal from the Planet's surface with accurate GPS coordinates. My oscillator can be heard on every channel. The position will be identifiable from orbit soon.

Offline floodrod

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #8 on: January 16, 2023, 03:33:00 AM »
The spark generates infinite power. The power to operates a rover and drone on the Planet Mars. The H bridge circuit needs a contact switch that acts as a direct short to generate the overunity.

Rocket Lab is launching a new set of satellites that can detect and locate any radio signal from the Planet's surface with accurate GPS coordinates. My oscillator can be heard on every channel. The position will be identifiable from orbit soon.

Interesting...  I have not yet ventured into studying "Spark Gaps"..  I am tied up with my back-emf choke experimentation these days and not ready to switch directions now, as I feel I am making progress.  But please do experiment and share..  It may just end up being a missing key I need :)

Offline floodrod

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #9 on: January 17, 2023, 12:48:59 AM »
Syncro-

Here is a video of a replication of the solid state spark gap setup with power measurements.  This uploader concludes that he does not agree with the way Art measures efficiency. https://www.youtube.com/watch?v=1rqUiq1NDlM


Offline synchro1

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #10 on: January 19, 2023, 02:22:01 AM »
Art's test of 291% OU connected a FWBR directly to the Normally Open contacts of a set of "Arcing Contacts" that acted as direct shorts. The experimentor is using 4 SCR's that dampen the effect.

Offline synchro1

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #11 on: January 20, 2023, 08:11:10 PM »
Here's a DPDT snap action limit switch with the Normally open contacts connected to the FWBR. This is closer to Art's setup. A current reversing direct short contact switch and rectifier. This is the combination! This one will broadcast a radio noise.


Offline synchro1

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #12 on: January 21, 2023, 10:18:30 PM »
@Floodrod,


What do you think would happen if we connected  a capacitor to the DC electrodes of a FWBR then snapped a spark accross the AC electrode with the other side grounded?

Art Porter is reporting nearly 3 times the power in the storage capacitor then inputted for the spark!



Offline floodrod

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #13 on: January 21, 2023, 10:51:02 PM »
@Floodrod,


What do you think would happen if we connected  a capacitor to the DC electrodes of a FWBR then snapped a spark accross the AC electrode with the other side grounded?

Art Porter is reporting nearly 3 times the power in the storage capacitor then inputted for the spark!

He did it into a capacitor?  If so- what was the source? How would he measure exactly how many joules are sent to make the spark?  The only way I know to measure exactly how much power comes from a source would be to dump from another capacitor as a source.  This way we know exactly how many joules were sent.

1. Connect a collection cap to a FWBR.
2. Dump a full cap across a spark-gap into the FWBR.
3. Calculate what was sent vs what was caught.

Even with the above method, the results are sketchy because if we used 2 matching caps, we lose 66% of the joules we send and the voltages balance.

If we can think of a legit test, I don't mind rigging it up and testing. But I do not know of any way to moderate exact amount of joules that we take from a battery or supply.

I don't trust battery readings much.  Many have reported batteries charging from flyback spikes, but the result is a shorter battery life with sulfated plates.


Offline floodrod

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Re: H-Bridge From 1 Relay- Maybe not ground-breaking but I like it.
« Reply #14 on: January 21, 2023, 11:19:11 PM »
Here is an interesting test I have repeated DOZENS of times with the same result.

2 Caps exactly the same..  50V / 10,000 mfd.

Fill 1 to 20V, empty the other..  Use a diode and connect them in parallel.  They balance at 10V each..

Now repeat but make it dump through a thick wire choke.  Use a diode like last test so the catching cap doesn't send back to the send cap.

Now the sending Cap only has 5V left and the catch has 15V...  The choke improved efficiency!

We sent 1.875 Joules
and caught 1.125 Joules.

In this case, we lost 40% instead of losing 66%.  No gain, but going in the correct direction.

Point is,  if we want to fully verify gain- we must be able to measure exactly how many joules we are using and catching to verify the effect.  It's a shame cap's don't transfer full to empty efficiently. They are a non-ohmic component so it gets difficult to work out