[RE-wrenches] Power conditioner for Trace inverter

Sat Sep 9 09:46:53 PDT 2023

It was pointed out that I meant Ferro-resonant transformer.  The
transformer has a coil and a capacitor tuned to 60 hrzs.   Sorry if I
confused wrenches.

On Sat, Sep 9, 2023 at 11:35 AM Jerry Shafer via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> I must agree with Ray, that inverter was never intended to run the slew of
> electronics we have now. There are gadgets out on the market that may do
> what you want but the reliability is in question. Does this site have a
> genny? Using the  that may get you past the issue but not solving the
> problem. Upgrading the inverter would be my answer too. Good luck on
> presenting this to your customer.
> Not so fun times
>
> On Fri, Sep 8, 2023, 10:12 PM Ray via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> That's about what to expect from the Psuedo Sine Wave that the SWs put
>> out.  They shortened the list of problem appliances significantly compared
>> to "mod sine", but its a stepped pyramid wave.  Later inverters (Outback,
>> Magnum) were step waves too, but just more steps, which translates to less
>> trouble.
>>
>> Trace SW waveform
>>
>>
>> I have cured the "washer not running on the SW" once, by adding a
>> capacitor to the circuit.  I can't recommend it 100% from a safety stand
>> point, but it worked for us. Some body else chime in on the possible
>> dangers?  Cap blowing, fires, shorts?  Definitely needs to be in a metal
>> enclosure.
>>
>> I think its either get a different washer or get a different inverter. At
>> 22+ years, its slowly reaching the time to retire those old SWs.
>>
>> Ray Walters
>> Remote Solar
>> 303 505-8760
>>
>> On 9/8/23 2:53 PM, Dave Angelini Offgrid Solar via RE-wrenches wrote:
>>
>> I would do a load test on the inverter. It may have a damaged FET or two.
>> They do not last forever! Good Luck
>>
>>
>>
>> *Dave Angelini Offgrid Solar
>> "we go where powerlines don't"
>>    <http://members.sti.net/offgridsolar/>https://offgridsolar1.com/ <https://offgridsolar1.com/>  <http://members.sti.net/offgridsolar/>
>> e-mail  offgridsolar at sti.net <offgridsolar at sti.net>
>> text 209 813 0060*
>>
>>
>> On 2023-09-08 12:30 pm, Darryl Thayer via RE-wrenches wrote:
>>
>> New washing machines are small loads 400 Watts about.
>>
>> On Fri, Sep 8, 2023, 2:27 PM Darryl Thayer <darylsolar1 at gmail.com> wrote:
>>
>> I once used a ferro-resonant transformer to clean up a sine wave.  You
>> have to know the power.
>>
>> On Fri, Sep 8, 2023, 1:59 PM Chris Daum via RE-wrenches <
>> re-wrenches at lists.re-wrenches.org> wrote:
>>
>> Hi folks:
>>
>>
>>
>> I have a fellow with a Trace SW5548, purchased from us in 2001.  It's
>> been working  great for him all this time, but the dilemma is he's
>> gotten a new Hotpoint washing machine, and its electronics don't like the
>> old inverter.  Is there some sort of power conditioner or 'line tamer'
>> available that will work for this appliance's operation?  Any ideas
>> would be greatly appreciated.  He's rather loathe to replace his
>> inverter if he doesn't need to.
>>
>>
>>
>> Best,
>>
>>
>>
>> Chris Daum
>>
>> Oasis Montana Inc.
>>
>> 406-777-4309 or 4321
>>
>> 406-777-4309 fax
>>
>> www.oasismontana.com
>>
>>
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