rotoverter for power generation

[esaruoho]

two new videos  posted (well, they're old). by hector..
http://youtube.com/watch?v=FjiQ-sAdmEI
1000 watt light load test with RotoVerter by Hector
http://youtube.com/watch?v=XC2k2um--xM
virtual circulating current with RotoVerter by Hector

also i've done some snooping around  on jlnlabs, and found the norman wootan posts  about rotoverter. here are some excerpts:

Mon Feb 25, 2002 1:10 am
Here is the verification that you have been waiting for. Per our off line dialog here is the set up for my rotaryverter so others may duplicate what we have seen.
Motor is 3HP, 3 Phase, 60HZ, 1725 RPM, wired for operation on 480V.
Motor free running, tuned to minimum current draw from 120V line input required 20mfd 370V oil filled cap resulting with a current draw of .66 amps @ 120VAC input.
Motor loaded with belt drive stepup 6:1 ratio to drive a PMI disk PM, DC motor acting as a generator. (generator unloaded) required 30 mfd, 370V oil filled cap with a resulting current draw of .50 amps @ 120VAC input.
Now I loaded the DC generator with 160 watt incandescent lamp load.
Now things get more interesting. Since I have two independent systems here, one being driven with 120VAC line input and the other system a belt driven DC generator being loaded with pure resistive load. Well here are the numbers: Motor was retuned for minimum current draw which required 45 mfd, 370V oil filled cap with a resulting current draw of .15 amps @ 120VAC input. The independent generator put out .75 amps @ 74 VDC into a resistive load.
The only thing that needs to be looked at on the input side of the equation is the power factor of the AC input. I need to find my tectronics current probe for my scope to look at the current/ voltage phase relationship. I'm satisfied with the figures that I calculate which shows roughly 18 watts AC input with a DC output of 55.5 watts. What I find most interesting is the fact that the more load you put on the 3 phase motor the lower the input current draw and the motor gets colder. The belt driven DC generator gets quite hot after about 30 minutes of running time. Go figure it out.
I believe there is a lot to be learned about revolving magnetic fields in 3 phase motors and tunning the output via capacitors. This experiment is so easy to do everyone should seriously look at this phenomenon. My next step is to document PF on input and improve the DC side of the circuit to provide more loading.
By the way, all measurements were made with four each Fluke 87E meters which I believe to be fairly reliable on 60HZ and DC measurements. Nothing exotic here. Only PF to be determined.
Norm

Thu Feb 28, 2002 2:51 am
Q:* What was the make and model # of your 3 phase motor? Any photo's? How did you tune to determine the capacitors needed? Looking forward to the results of your PF measurements.
A:o The motor is a General Electric, Mod. 5K49ZG1759, 3 HP, 3 phase, 230/460 V, 1725 RPM, 9.2/4.6 amp, SF 1.0, 56 frame.
A:o An 80 mfd cap is used to start the motor (aprox. 2 sec.). Tuning is via changing the value of the run capacitor. Attach neutral line to L1, attach line hot (120V.) to L2 and attach your run cap between L2 and L3. For starting, momentairly parallel the run cap with the 40mfd start cap. Any 3 phase motor will work if it has the high voltage winding(460/480V). Norm

Mon Mar 4, 2002 4:20 pm
Hi! Uli: When you are working with a resonant circuit you have X-L component and an X-C component. Tuning means that we are changing the value of the capacitance (X-C) to cancel reactance (X-L) so that the motor windings represent a pure resistive load. You have to tune a resonant circuit by changing the value of either reactance or capacitance. <g> Norm

all these, and more, are linked from
http://peswiki.com/index.php/OS:Rotoverter

hope this helps.
.. surely SOMEONE has a 3-phase AC motor (or two) sitting around in their homes??

[lancaIV]

www.byronwine.com/files/plans.pdf
something about rotoverter,
but also the MRA and the right measurement !

S
  dL

[gyulasun]

Hi Lanca and all,

The file you include in the link is version 2.5 from 2004.
Since then the recent advancements have been included in another PDF file, version 6.1  from 2006, see this link (2MByte filesize):  http://panacea-bocaf.org/files/RE-OU-v6_1.pdf

rgds
Gyula

[esaruoho]

has anyone on overunity started to replicate the rotoverter?

[esaruoho]

RotoVerter replications
http://peswiki.com/index.php/Directory:Rotoverter:Replications

have fun
more will be added