Re: [EVGRAY] help!

Body

Send some pics of your set up .i t may help .

On Thursday, June 27, 2019, Warren Keillor [email protected]
[EVGRAY] <[email protected]> wrote:

>
>
> Hi Info
> Something is wrong.
> My WEG, once up to speed, will run
> even without capacitors in the circuit.
> I never ran it long like that, because I was always trying to get the
> current draw as low as possible.
> Now , I had better dig one of my Roroverters out of storage, and test that
> to see if if might, in that condition,  heat up.
> I use a 140, or 120 uf motor start capacitor to get my motors turning at
> full 60 hz speed, before I begin my play with them, using my capacitor
> tuning boxes.
> As I said, I had difficulty finding oil filled high voltage, low value uf
> capacitors, which are what I have been using. I have not tried other types,
> as I scored a whole bin of these oil filled kind, in an old electronics
> surplus store in downtown Toronto, ( which has since moved to some suburban
> industrial area miles out of downtown) The oil filled, are not common, but
> are not perhaps the only kind that work. They are only my experience, as I
> was new to Roto Verters, and trying to get my first one going, just to test
> this voodoo crazy thing Hector, and Doug,  were doing.
> My emotions were high when the big lump of cast iron motor ran full speed,
> just as they said it would.
> I found myself running this mass on a tiny speaker wire of 26 gauge, just
> to prove to myself, I was not hallucinating- and my amp meters were
> mis-reading the draw of 200ma. at 110 volts 60hz AC.
> Once the magic full speed rotation happens with that 140uf cap, it was
> taken out of the start circuit, and the motors keep running, whether with
> grease, and seals or not.
> The one with seals, and grease uses 400ma of current, while removing the
> seals the other motor uses 200 ma.
> Both motors were brand new,, when I got them as surplus movie props from
> Del Toro's "Pacific Rim"
> It was cheaper to buy these real ones from China, than to have me make
> fake ones out of foam plastic, for a giant industrial scene in the movie.
> After the movie, I bought a pallet of these motors at the props sale. No
> one else wanted them as they were 480 volt three phase, and no one has that
> voltage in their homes and ordinary workshops here in Canada. They are in
> the realm of heavy industries only, outside the core of major cities, in
> industrial zones, with their special electrical sub stations pulling power
> from the main transmission grid. People buying at  film prop sales don't
> buy for such heavy industries, or is it usual for film companies to buy the
> real thing new. I was just lucky to be working on this giant 200 million
> dollar budget film, with a director who likes the real stuff when possible.
> They bought containers of stuff from China, for scenes in the film.
> It was less trouble than shooting in China.
> That's the only reason I got my curious little hands on new motors, that
> never had to do anything except look pretty, as part of some giant robot.
> I don't spend a lot of money on my experiments. Hundreds have ended in
> failures, or miserable complicated contraptions that barely show any
> promise of running themselves.
> Hector, in spite of his flamboyant language sometimes, redeemed himself
> with this device, his Rotoverter. It works magic.
> At least, in my tests,1.614 times over unity. (Hector claims 1.618. I have
> more to improve)
> You are having a problem with yours, I have never experienced
> Ask others in this group. Doug is reliable, and has a lot more experience,
> than I have, with this device.
> Cheers Warren
>
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> On Thu., 27 Jun. 2019 at 2:41 a.m., [email protected] [EVGRAY]
> <[email protected]> wrote:
>
>
>
> Hi, I wanted to thank all the guys who answered me to try to help me
> solve problems with a rotoverter. The variac has arrived, but even if
> placed at 1/4 of the current foreseen in connection to Y, the thing
> does not change, the rotor turning without load heats up, the current
> consumption is low, about 0.5 amp. which increases if the capacitor
> microfarads increase, and the power is low .... the only doubt I have
> left is the capacitors ... they are the normal ones for AC that they
> sell in electronics stores, and not the old ones in oil bath ...
> that's the problem ...? Has anyone ever done the same?
>
> [email protected] ha scritto:
>
> > Hi everyone, I'm new to the group and first of all I wanted to thank
> > everyone for their kindness. I have a problem with a rotoverter. The
> > motor is a three-phase 5,5horse, 50 hertz (I am in Italy), 4
> > windings. 690v star connection. 1440rpm per minute (the engine can
> > even go up to 60 hertz with 830V and 1730 revolutions is shown on
> > the plate) Now I am testing it with the 220v 50herz rotoverter
> > system, but I saw that it has little force and the rotor (cage)
> > squirrel) warms up a lot ..... how come? ... I bought a variac to
> > bring the voltage to 1/4 (172 volts) and I'm waiting for it to
> > arrive, but is that just the problem or else? ...... Thank you so
> > much for helping me out.
>
> 
>