Body
Hi Warren,
Try flashing with12V dc not ac from car battery with say a headlight bulb
in series, it needs some DC residual magnetism.
Like on car alternator low level dc current through rotor gets things
started there.
Just a suggestion I am no expert.
Gerry
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On Fri, Mar 16, 2018 at 5:54 AM, Warren Keillor
[email protected] [EVGRAY] <[email protected]> wrote:
>
>
> Guys
> Here I am, mired down in my experiment by a 120 /240 volt ac generator,
> that in spite of rotating the shaft at 3600 rpm , puts out nothing.
> Oh I flashed the contact rings with 15 volts ac, alright.
> I did research to some extent on the internet.
> Seems this can happen
> The stater coils are perfect.
> The rotor coils are also perfect.
> The bearings are as new, too
> There are two brushes that ride on the slip rings they are fine, too.
> That leaves two components
> A little black epoxy encapsulated box,
> and a relay switch with120 v. ac coil operating a single pole switch.
> Essentially, six wires emerge from the stator coil. Two come to the
> voltage regulator. Switch on/off?
> The other four seem to go to the coils, or get grounded to the frame.
> Does anyone here, in our group know about small kohler construction
> generators when it comes to taking them apart?
> The internet goes over fixing one with my symptoms. It was the voltage
> regulator, that needed replacement.
> No problem! I'll just buy another.
> $300.00 US? WTF?
> You know what I am trying to do with this flywheel experiment.
> I am driving an AC motor to turn the flywheel , first, from power from the
> grid to the motor. When the motor is up to speed bingo! I switch over to
> the ac generator output from the grid driving the motor to the generator
> driving the motor with the inertia of the flywheel
> I don't know if it will work, that's not the point, because before I can
> do this, the damn generator has to run. It doesn't when I turn it separtely
> at proper speed from the grid.
> I don't want to spend $300 US for a regulator from Kohler.
> Do I even need a stinking regulator?
> Can I meter everything and adjust the rotor electromagnet with variable dc?
> There are five pins on the regulator
> Two go to the brushes for the slip rings
> One goes to the relay
> Two are AC from the stater.
> It is a potted black box.
> The brush wires are marked + & - , so there must be diodes in there to
> rectify the ac? The orange wire coming fron the potted box goes to the
> relay primary coil, which then gets grounded to the chassis from the other
> pole.
> Something must be shutting off the relay when voltage reaches a certain
> voltage.
> Since the generator is slaved to the drive motor through the flywheel, why
> can't the experiment be mannually regulated?
> Can I just put a variac on the ac, coming from the stater coils into the
> regulator, rectify it, and then send it to the electro magnet rotor?
> Sorry for the long email
> Cheers Warren
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