Body
HectorNo, such a slight difference, is meaningless, as you, and Ole imply. I am not sure what I was talking about regarding "crash and burn" but usually it is in reference to experiments that fail to meet hopes and expectations. RV is one of the secure winners, modest as it may be.One always should keep an eye open for ways to exploit its advantages, compounding it into a higher efficiency arrangement.I have not gotten joy from the shaft rotation efficiency, but have managed to use the capacitor series circuit as Dimitriy first employed, and shared with this group, years ago.I know that Tom, here in Ontario, with his "pig screamer" home made variable frequency drive got his RV to do some interesting tricks, but then, that was old yahoo, and our files were taken away from some of us, with changes in management and ownership.You have often said that a low Lenz, or no Lenz generator, is the answer, and that circles the problem back to where we are still struggling.Have you any more magic in this department?
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On Tue., 8 Oct. 2019 at 8:27 p.m., [email protected] [EVGRAY]<[email protected]> wrote:
(1.614 times the input, while others have achieved 1.618 ) you burn and crash on a .004 difference ! ????
(H)
---In [email protected], <schoonersolsticemoon@...> wrote :
OleThank you, once again.I almost got excited, only to crash, and burn, should I have persisted.Oh well, nothing new there, I guess.However, I am grateful to learn about motors as AC generators. Thank you.Cheers Warren
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On Mon., 7 Oct. 2019 at 8:35 p.m., onielsen@... [EVGRAY]<[email protected]> wrote:
Hi Warren,
"How does one normally wire them up, and where might one supplement the residual magnetism, with, I guess, a jolt of DC current?"
Here is an example:
An Easy to Build and Operate Induction Generator:
https://docplayer.net/21626504-An-easy-to-build-and-operate-induction-generator.html
"Up to now, it has been only 1.614 times the input, while others have achieved 1.618."
0.002 times difference would be hard to measure for a lot of meters. Are you quite sure of that high precision? Many meters only measures to a precision of 1%.
How can he spend 1.6kW without it going into some load? The generator only has capacitive load which is reactive meaning the power is reflected back to its source. The input power thus is also mostly reactive. It isn't real power (W) but apparent power (VA) or reactive power (VAr). Multiplying the voltage by the current shows that it probably is the apparent power that is shown by the power meter. Apparent power is the vector sum of the active and reactive power.
"Where does it make sense to hook everything up, to best replicate what is being done in this video, in your opinion?"
I see no purpose in replicating the experiment. If wanting a lot of reactive power just connect the capacitors directly to the power source without the motors. But reactive power does no real or active work and as the wires have resistance they convert the large current into some active part which is dissipated as heat. This is why the distribution companies owning the public grid don't like people using too much reactive load as it is dissipated during transport back and forth in the wires due to the resistance of those wires. This is pure waste even though reactive power isn't a waste in itself. It is like storing energy in a pendulum or in a flywheel. But friction will dissipate some the stored energy as heat.
Regards
Ole
---In [email protected], <schoonersolsticemoon@...> wrote :
OleSo those WEG 480 volt three phase motors could then be used as generators, if I employed the proper capacitance to the proper wires?That is wonderful news to me! I suspected it might be possible, but did not know for sure, until you have told me this.How does one normally wire them up, and where might one supplement the residual magnetism, with, I guess, a jolt of DC current?I happen to have two identical 480 volt WEG 480 volt motors, which have been modified slightly for Rotoverters( bearings, on one, fans on both)This experiment on video, seems to demonstrate a higher output out of the Rotoverter than I have , so far, been able to achieve.Up to now, it has been only 1.614 times the input, while others have achieved 1.618.This has proven, over the years, to be entirely reliable, and repeatable, and by including tricks with Rene charger, and battery, a little higher performance on top of that.Now this method, exploiting the shaft torque to drive yet another RV as a generator is a new development which looks super easy to perform, given that both my motors have pulleys, and I have plenty of belts, and slabs of wood to bolt them to.I also have two identical, oil filled capacitor tuning boxes with switches, already made up.Where does it make sense to hook everything up, to best replicate what is being done in this video, in your opinion?Cheers Warren
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On Mon., 7 Oct. 2019 at 8:25 a.m., onielsen@... [EVGRAY]<[email protected]> wrote:
Hi Warren,
Induction motors are both motor and generator in one device. The capacitive loading by the capacitor makes it a generator without attachment to the grid. It just needs a little remanent magnetism to build up the field.
Regards
Ole
---In [email protected], <schoonersolsticemoon@...> wrote :
OleThank you.You have identified the the device being driven is a motor.Now, what is energising that motor, as a generator?Is that something that is being done with the unusual wiring?Cheers Warren
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On Mon., 7 Oct. 2019 at 7:36 a.m., onielsen@... [EVGRAY]<[email protected]> wrote:
Hi Warren,
I wonder what power he is measuring. If it is active power then to what load does the power go? It looks like it's the apparent power (VA) that is shown. The power meter is able to measure the phase shift as cos phi (cosine to the phase angle between the voltage and current) for a limited range according to the manual: https://produktinfo.conrad.com/datenblaetter/125000-149999/125333-an-01-ml-BASETECH_COSTCONTROL_3000_ENERG_de_en_nl.pdf. If he showed the cos phi measurement we could calculate the active power being used.
It looks like the motor to the right is driven by the motor to the left through the belts. The driven motor to the right is loaded at a single phase by the capacitor. This is a pure reactive load except for the heating of the wires.
The motor to the left is not wired exactly as Hector's RV.
Regards
Ole
---In [email protected], <schoonersolsticemoon@...> wrote :
https://youtu.be/kbTwsY1tEZ8What is the story behind this video?What is being done here?Are these two identical 3 phase motors, or is one a generator?I have two identical 3phase motors, can I do this too?Besides just measuring with meters, is it possible to hook up a load, like another RV motor, or something, and let them run until the bearings crap out.Where has this video been lurking all this time?Cheers Warren
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