[RE-wrenches] Converter from 230VAC to 12VDC

[Jerry Shafer]

Wrenches, would a outback E inverter, they are 50 hz 230 vac get a 2512E
Fun times

On Wed, Apr 23, 2025, 2:44 PM jay via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> HI Chris,
>
> It highly unlikely it’s 230v 50 hz exactly as it’s going to be related to
> head and flow and the type of turbine.
> It also is very likely a 3 phase motor.
> Depending on the exact motor and turbine etc, the VOC vs working range can
>  be 2X+
> Hz also changes with rpm which is directly related to flow, height and
> load.
> With Iota’s you generally have to have a dump load to keep the hydro
> working, as again depends on the type of hydro and motor you don’t want to
> let it go VOC as the RPM just goes through the roof which would happen if
> the battery is full and the iota is at its charge set point.
>
> You are going to need more info to be able to figure out which is the best
> way to convert it.
> With more info I can help you get the right parts.
>
> Ive done a number of hydros in Ecuador.
>
> jay
>
>
>
> On Apr 23, 2025, at 1:55 PM, Chris Daum via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
> Hey folks:
>
> I’m trying to assist a friend with a defunct hydro system in Ecuador;
> actually, the hydro system is the only thing working.  It’s (I assume
> unrectified) output is 230VAC 50 htz and about ~500W,  and they want to
> step it down for charging a 12V battery bank.  I’ve tried to get them to
> look at other voltages but a lot of their loads are 12V, and this IS a very
> primitive system.  It’s in a rainforest so there is no solar resource to
> speak of.  They will be running some 120VAC 60 htz loads (like computers
> and phone chargers) but they already have a bunch of DC led lights in place.
>   It gets dark there at 6 pm every night and the forest is so dense,
> solar is not an option.
>
> Do you know of anyone that offers or can manufacture such a converter?  This
> is for a school and clinic that gets displaced from weather, equipment
> failures and mercenaries.
>
> Feel free to contact me off list.
>
> Best,
>
> Chris Daum
> Oasis Montana Inc.
> 406-777-4309 or 4321
> 406-777-4309 fax
> www.oasismontana.com
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