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Overunity Machines Forum



Confirming the Delayed Lenz Effect

Started by Overunityguide, August 30, 2011, 04:59:41 PM

Previous topic - Next topic

0 Members and 1 Guest are viewing this topic.

teslaalset

Quote from: Overunityguide on September 05, 2011, 04:08:08 AM
(Please don't take it personal...)

No, I don't. It's good to have this discussion.
Always difficult to express things, without causing wrong emotions ;)
I may leave the wrong impression myself, but I mean to dig out the issues here as an open discussion, in a constructive way.

Quote from: Overunityguide on September 05, 2011, 04:08:08 AM
I think that you still haven't read all previous posts. I am saying this because, also in one of my other previous posts, I am telling everyone that my generator setup for now is one of the most Inefficient and that there can be a lot improved in this setup.


Point taken.

Quote from: Overunityguide on September 05, 2011, 04:08:08 AM
First, you can think of replacing my iron bolt core with ferrites. Secondly designing a more like Thane C Heins Mechenical Generator Coil Dual Rotor setup and so on.

In parallel to your response, I added similar suggestions in my previous post.
To be honest, I am doing a lot of Ansys Maxwell simulations on this topic in the background to find most efficient solutions for this.
Indeed, one of the effeciency improvements is better core material.
The other is to get red of the coil resistance. We can discuss how....

The essence is that current lag is maximized.
The fundamental formula in setups like this is explained very nicely in this MIT video, starting from around time = 40:03:
http://www.youtube.com/watch?v=UpO6t00bPb8 (great teacher!)

Leaving out any capacity effects of winding(s) it boils down to :

Tangens(phi) = (omega x inductance) / Resistance 
(where phi is the delay )

This formula defines the current delay to the induced flux.
To maximize the delay:
- Increase omega (= 2 x pi x freq)
- Increase inductance
- Decrease resistance

Increase of omega is simple. Overunityguide showed the clear effects in his demos

Increasing inductance is not so simple. If magnets approach coil cores, the cores in general tend to saturate, causing a drop in inductance.
There are several ways to avoid saturation of core materials at TDC, e.g. to put bias magnets at the  other end of the cores of the coils. But.... this will saturate the cores when rotor magnets are not at TDC, leaving some other disadvantages.

Decrease of resistance is also complicated: using thicker wire is one solution, reducing windings another.
Thane Heins is using HV coils with many windings. This is not the only possible solution. It all depends on the formula above.
The MIT demo shows that even a solid ring has prominent current lag.

And then there is the possibility to play with capacity.
This allows for a whole arrangement of extra options.

teslaalset

Quote from: kEhYo77 on September 05, 2011, 04:22:25 AM
I know what You are getting at with those calculation but adding a full set of coils will reduce total amount of drag significantly.

Only after these coils have introduced much greater drag themselves if they have large losses, which occur in this demo. I even doubt coils can be made that effecient they will leave a surplus of torque when loaded.

Quote from: kEhYo77 on September 05, 2011, 04:22:25 AM
And then you can not do simple mutliplication of the friction/drag like that for all the coils because balancing magnetic forces does the trick (Muller).
On a side note here, I think that You know that this setup can be converted to RotoVerter resonant motor and then the same 3000 RPM
can be achieved using only few Watts using tuned caps.

See my comments in my previous reply.
Adding capacitors to obtain resonance, will introduce zero current lag (exactly zero!!).
This is a complete different ball game.

ramset

Very much on topic
ToranaRod Feels He has Seen OU [A strange Runaway ,Burn stuff up "EFFECT"] ,And wants all to know
Here

http://www.energeticforum.com/renewable-energy/7982-muller-generator-replication-romerouk-51.html#post155261

Chet
Whats for yah ne're go bye yah
Thanks Grandma

kEhYo77

QuoteAdding capacitors to obtain resonance...
I ment adding capacitors to turn motor/prime mover  windings to LC tank for resonant driving for the rotor.


teslaalset

Quote from: kEhYo77 on September 05, 2011, 08:14:20 AM
I ment adding capacitors to turn motor/prime mover  windings to LC tank for resonant driving for the rotor.

Ah, ok, I was mixing this up.

Motor issues maybe a bit offtopic here, but from what I understand of motors, the mechanical load causes a current phase lag that is changing when the mechanical load is changing.
This will result in 'lower impedance load' as seen by the power source.

This means a compensation capacitor value is dependant on the mechanical load.
Also in the case of a motor, the current lag will be compensated to zero to the flux phase when C is tuned to LC resonance.
From what I understand, zero current lag to the flux will end up in zero torque, so useless.

Maybe you have better references than I do, but I haven't seen any spectacular results with rotovertors for the last 5 years.