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Author Topic: RESONANCE EFFECTS FOR EVERYONE TO SHARE  (Read 298186 times)

sparks

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #450 on: January 18, 2009, 05:14:40 PM »
@Wattsup

    The ohm rating of a coil is it's impedance rating.  How much total resistance there is to a sinsuoidial dc pulse.   Like 8ohm speakers will cook if you give them pure dc and just figure in the i2r losses like it was an 8 ohm resistor.  Regular resistors do suck because they convert epower to infrared em power unless you are going to use the heat and the magnetic field energy is ignored in them.  Another thing is that the hotter they get the lower the resistance so the hotter they get. I suppose we could alter the cord going into an electrical resistance heater so it goes through a primary of a transformer and use the secondary of the transformer to drive another heater.  Or how bout making the cord just a series of primaries.  And then all the secondaries shorted out to another heating element.  Should get more bang for the buck.  You could call it a supercord. 
« Last Edit: January 18, 2009, 06:10:22 PM by sparks »

Groundloop

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #451 on: January 18, 2009, 07:03:38 PM »
@wattsup,

All resistors will generate heat. Nothing to do about that. In my switch the 330 Ohm resistor is doing the
discharge of the mosfet transistor gate. First the opto is switched on and the gate charges up through the
180 ohm resistor and opto transistor. Then the opto is switched off and the charge in the transistor gate is
drained through the 330 ohm resistor. This charge is not lost. It goes to the output load since this is a floating
switch. The heat generated in the switch is removed by the use of a fan (or big heat sink). This heat is not
lost. This heat is warming up your room. But I agree with you that resistors should be avoided if possible.

Maybe later we can design a switch that do not use any resistors? I will look into this and see if it is possible.
We probably have to design our own optos also. :-) I already have tested that it is possible to light ultra bright
white LED's direct from a pin of a micro controller. If we run the micro on 3,5 volt then the LED will use less
than 20mA. The micro controller can source 25mA at each pin. Now if we use a small solar cell as the receiver
of light from the ultra bright led then the solar cell can provide the bias to switch a mosfet transistor on and off.
I do not know if this is doable but it is worth a try.

Groundloop.

AbbaRue

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #452 on: January 18, 2009, 11:55:27 PM »
@Magnethos
That is an awesome link you posted.
If I understood it right, it is possible to send an electric current across large distances using
a LASER beem to transform the air into a single wire conductor.
Just think of the implications of such a technology.
If you want to transfer power from your house to your barn
just shine a small red penlight laser beem from the house to the barn and send the power though it.
No wiring needed.


sparks

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #453 on: January 19, 2009, 12:44:35 AM »
    Telsa discovered the superconductivity effect of plasma.  The electron cloud in a metal is considered a room temperature negative plasma.  A high frequency pulsing is necessary to shield a plasma from ambient electrical noise or the plasma is excited to return to normal gas matter.  Tesla devoted many years to his wireless transmission of energy.  I believe his intent was to create a plasma dome that would create a coherent conductor between transmitting and receiving terminals.  Longitudinal wave energy or compression and rareification of the plasma the mode of energy transport and the ambient electrical noise shield all rolled up in one.

jadaro2600

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #454 on: January 19, 2009, 11:05:54 PM »
http://ocw.mit.edu/OcwWeb/Physics/8-02Electricity-and-MagnetismSpring2002/VideoAndCaptions/detail/embed26.htm

Walter Lewin has a good lecture on waves, standing waves, and resonance frequency; it's a good listen.  Also, the entire course is available in video format from MIT along with many others.

jadaro2600

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #455 on: January 22, 2009, 06:27:42 AM »
After Review of other physics lectures available, there is a strong likelihood that any given coil will have multiple resonant frequencies.

Finding the right resonant frequency - as in the strongest of all the frequencies - is the appropriate goal.

perhaps attempting to double wind a coil, hit a resonant frequency in the main while leeching off of the secondary - a device will have to be preloaded in order for the entire unit to become resonant and utilize / conserve energy.  It won't be any different that starting up a motor, watching the amps go down and the motor begin to spin and create the notion of conservation of energy.

A car only require so much horsepower to maintain speed.

Resonant frequencies of a coil may be found, but is there and real use in finding it in just one coil?  Wouldn't the resonance have to accumulate throughout the entire circuit taking into account all of the surrounding inductances, etc?

sparks

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #456 on: January 22, 2009, 04:38:43 PM »
@ Jadaro

    If we use the coils of a motor as the inductor in a resonant circuit.  Within the inertial frame of the resonant lc circuit the rotation of the motor and mechanical loading of such is not there.  The motor loading resides in the inertial frame between the motor shaft and stator only.  The oscillations of the resonant circuit  therefore are undamped by the motor loading.  Einstein or someone said that all physics are the same for every inertial frame of reference.  The problem occurs when the observer has to look at two inertial frames of reference at the same time.
What laws govern the interaction of two inertial frames of reference seems to be where quantom physics falls apart. 

Groundloop

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #457 on: January 24, 2009, 05:18:11 AM »
Hi,

For those of you that are building my new micro controller H-Bridge switch:

Finding the 80uF 330V electrolytic capacitor may be difficult. Please go to your photo
shop and ask for a discharged Kodak Fun Flash camera. (Or buy a new one).
Inside that camera is a electrolytic capacitor that fits the PCB 100%.

For those of you that must program a PIC16F84A mcu, please
go to my web site here: http://home.no/ufoufoufoufo/vspp/vspp.htm and build the very simple
pic programmer. Down load the pic programmer exe file that controls the hardware. You MUST
use a PC that have a serial RS232 connector. An USB to serial converter will NOT work.

You can also use a ready bought programmer. Please use a socket for the PIC mcu on
the board. The only way to reprogram the mcu is by removing the IC from the socket and
plug the IC into an external programmer.

Now go to Microship web site (link provided on same page) and download MPLAB. You may need
that later. Get the pic source files from my post in the forum. The provided HEX file can be
downloaded to the pic mcu with the hardware and software described. You will ONLY need MPLAB
if you want to change or make a new software for the PIC mcu.

There is one issue with this version of the switch. Do NOT switch off or disconnect the signal
generator when the switch is running. Disconnect the switch high power side or switch off
the run/stop switch before disconnecting the signal generator. Later on I will try to make a
software that will allow a SG to be disconnected when the switch is running.

And, be careful when handling the switch. High voltage may be in the 80uF capacitor
even when switched off. Do not touch the switch when running high voltage. Use a heat
sink for the transistors. Insulate the transistors from the heat sink.

Groundloop.

wattsup

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #458 on: January 24, 2009, 11:22:48 PM »
@Groundloop

Thanks for the circuit that I got two days ago and also for your great work. I will be sending it to Naji so he can populate it for me. One hell of a weight off my shoulders I must say. My brother works as a machine language programmer for a communications company so if we need any programming, he can do it for us.

Also, I am putting up two photos of the chemical dosage pumps solenoid and circuit that I had mentioned earlier. The one I changed out the other day. lol

It has a blown IRF840 (have a few on hand - lol) so I will replace it and do some testing with the circuit. This particular circuit design has proven itself to be extremely reliable (even if it blew but after more then 5 years) given the fact that it is pulsing a rather large solenoid coil at 2 pulses per second each time the homeowners water pump goes on, this circuit goes on.  The IC has the Texas Instruments logo on it and the following - 1st line - 3BAJ30M and 2nd line - TLC5561N. I don't know anything about the circuit but am wondering if the two pots are used to adjust the pulsing rate and duration. I'll see when I change the transistor.

Groundloop

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #459 on: January 25, 2009, 01:54:37 AM »
@wattsup,

Ask your brother to take a look at the source code. Maybe he can implement the self run code.
One nice feature will be that the code also checks for SG input and shut off the switch if no
signal generator signal is present. I have little time right now to work on the code so all help
is appreciated.

Groundloop.


sparks

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #460 on: January 25, 2009, 04:11:45 PM »
@Groundloop


       Does your board have protection on the outputs from reflected wave energy.

Groundloop

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #461 on: January 25, 2009, 04:38:21 PM »
@sparks,

Depends on your definition of protection. I use rubber (insulators) on the transistors. :-) (Joke)

The only protection is the internal diodes in the power transistor. If the user wants more
than that then he must use diodes on the coil(s).

Groundloop.


sparks

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #462 on: January 25, 2009, 04:44:34 PM »
   Maybe some neons ?

gotoluc

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #463 on: January 26, 2009, 02:45:39 AM »
@everyone,

I have been quiet for some days but don't think I'm not continuing the Resonance tests!... I even dream of it when I sleep ;)

Two days ago I discovered something new (to me anyways) to which I will share a circuit very soon.

I am able to get my coils resonating using only one wire as an input pulse!... no return and no ground!... how's that for efficiency ;D

I am not claiming overunity but things are getting really efficient :)

Stay tuned

Luc

jadaro2600

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Re: RESONANCE EFFECTS FOR EVERYONE TO SHARE
« Reply #464 on: January 26, 2009, 04:39:28 AM »
@everyone,

I have been quiet for some days but don't think I'm not continuing the Resonance tests!... I even dream of it when I sleep ;)

Two days ago I discovered something new (to me anyways) to which I will share a circuit very soon.

I am able to get my coils resonating using only one wire as an input pulse!... no return and no ground!... how's that for efficiency ;D

I am not claiming overunity but things are getting really efficient :)

Stay tuned

Luc

I call it Avramenko.