Body
MickI have five 100mf 4000 volt oil filled caps. They are Sprague oil filled can types, that say "energy storage" on them.I feel that I do not want to use batteries, if I can avoid them.It is not a lot of energy, but if I am able pulse it, to drive a Transverter primary, using the 450 lb transformer, or use them as the fixed load, I may be able to find a frequency to resonate it, tuning the entire device to a fixed loadI am speculating that a function generator might be used to stimulate the signal voltage to some kind of inverter, or heavy switching device to keep everything ringing.Chopped DC, has in my experience, provided, some surprising results just running dc motors, I wonder about using a resonant dc to power my big transformer as a transverter type device.I did manage to source an air to liquid heat pump. It needs 10 amps of 60 hz 220 volts. Likely, an inverter will be needed to deliver that, in a safe manner, to not destroy the electronics.Providing a stable current to an inverter, that is the essential problem, at hand.It is perhaps crazy to think about heating a 150 + year old two story stone barn, but this Summer, the metal roof has been insulated with four inches of spray urethane foam.The concrete floor was jack hammered to sink it down eight inches. Little did I expect to find 45 tons of basket ball sized boulders underneath! My wife and I removed them. Then we put in forty tons of crushed limestone to get a level surface.This was, in turn spray foamed to 3 inches. On top of that was laid a grid of re-rod, to which my friend Mike attached a network of plastic tubes to a wall mounted manifoldFive inches of concrete was then poured on top, finished to a mirror like surface. This is the radiant infared source to heat the barn, in theory.The heat pump will take heat from the air down to -20C to heat that floor. If, like last winter, it gets colder than -20C for long periods of time, the hot water tank, at this point, will have to be heated with electricity.(from the grid?)
I am now a pretty good stone mason, completely rebuilding the stone arches of the windows, of the massive wedge shaped heavy stones. It started out as merely needing to re-point, but then, as these projects go, I find in the complexities, I had to learn new skill sets when encountering major structural issues. It is very satisfying work, if the weather will only hold up.In short, my new workshop is a work in progress, and heat with electricity is on the agenda.Cheers Warren
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On Mon, 8 Oct 2018 at 10:56 PM, Mick [email protected] [EVGRAY]<[email protected]> wrote:
James,
This is an interesting way of going about it, with high voltage often caps are used in voltage divider networks instead of resistors. Good idea!
The only problem is the larger caps are usually lower voltage else very expensive and the lower voltage caps can be damaged by the initial pulse prior to charge diffusion even though the voltage does go lower based on the larger farad capacity.
On 10/8/2018 1:53 PM, James Glinski [email protected] [EVGRAY] wrote:
I would try dumping them in to much larger cap there by dropping the voltage way down say to 15.5 volts or 4 volt to dump into a lead battery or lithium .no transformer needed .
On Oct 8, 2018 10:30 AM, "Mick [email protected] [EVGRAY]" <[email protected]> wrote:
Kone,
Once one has a way of charging caps reliably and quickly what is the
best way to make use of a bunch charged to 800v say?
What do you do with the output of your Konehead / Muller motors?
I guess one way would be to dump them into a buck converter then use for
charging a buffer battery or supercapacitor but what are some uses you
have come up with?
I think the dream Norm had makes sense in that we should just be
powering everything off caps as there are multitudes of ways to
efficiently charge these puppies.
How quickly conventional oil caps can be charged by influence machines
is another interesting query as these can be voltage limited with GDT's
so we don't blow up our run caps with more than 800v, suppose one could
have a long line of these charged quickly indeed?
Don't bother with electrolytic they truly suck and act as if there is a
load on the source so waste lots of energy and charge slowly. They may
be ok for lower voltage buffers one we have converted back to watts.
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