[RE-wrenches] inverters/ generators and noise

robert ellison reellison at gmail.com
Thu Nov 20 14:26:43 PST 2008


Is he running anything unusual?

Bob

On Thu, Nov 20, 2008 at 12:15 PM, jay peltz <jay at asis.com> wrote:

> Hi Bob,
> Thanks for the details.
>
> I'll let you know about how this goes.
>
> Customer was being super careful to have it as close to 60hz as possible.
>
> Hope this doesn't freak him out!
>
> jay
>    On Nov 20, 2008, at 8:26 AM, robert ellison wrote:
>
>  Seems that i ran it up till the charger was happy and it was not over 62
> or 63 HZ. Some people on the list would scream but I never had a problem
> doing it and never blew anything up. Set it for 62 or 63 unloaded and see
> where it settles with a full charger load on it. Some will not increase,
> just put it back where it was.
> I always figured that low was worse than high. Not a good idea to crank up
> a Coleman or other cheap generator and unload it fast. I know people that
> have blown capacitors when they do that.
> I have not had to do that with the Magnum inverter / chargers, they seem to
> be happy on less amps ac input Heart Interface (dating myself, remember
> them?), Trace and Outback seemed to like a little frequency increase.
>
> Later,
> Bob.
>
> On Thu, Nov 20, 2008 at 11:10 AM, jay peltz <jay at asis.com> wrote:
>
>> Hi Bob,
>> Do you have any numbers as to what the HZ where or where you think it
>> worked best?
>>
>> thanks,
>>
>> jay
>>
>> peltz power
>>
>>  On Nov 20, 2008, at 3:38 AM, robert ellison wrote:
>>
>>  Probably due to the load of the charger, try changing the rpm a little
>> (higher) if you can. Might help. I have had stoves that wouldn't light under
>> full charger load. They did better at a somewhat higher rmp (frequency)
>>
>> Bob
>>
>> On Thu, Nov 20, 2008 at 12:12 AM, jay peltz <jay at asis.com> wrote:
>>
>>> Hi All,
>>>
>>> here is along those same lines a question about line noise.
>>>
>>>
>>> System 15kw diesel generator
>>>
>>> 4 stack outback at 24v   120v/240vac
>>>
>>> 3000 amp hr industrial batteries.
>>>
>>> when genny running, 59.5-60 hz
>>> voltage 122/244
>>>
>>>
>>> Symptoms.
>>>
>>> when charging there is some buzzing on some electrical equipment in the
>>> house.  Stove pizeo won't lite, transformer on furnace runs hot, Fridge
>>> makes more noise.
>>> Seems to get worse at end of charge cycle.
>>>
>>>
>>> Now, with inverter only,  no noise, humm, buzz etc.
>>>
>>> With Genny only no buzz, humm, etc.
>>>
>>>
>>> Any advice?
>>>
>>> thanks,
>>>
>>> jay
>>>
>>> peltz power
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> List sponsored by Home Power magazine
>>>
>>> List Address: RE-wrenches at lists.re-wrenches.org
>>>
>>> Options & settings:
>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>>
>>> List-Archive:
>>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>>
>>> List rules & etiquette:
>>> www.re-wrenches.org/etiquette.htm
>>>
>>> Check out participant bios:
>>> www.members.re-wrenches.org
>>>
>>>
>> _______________________________________________
>> List sponsored by Home Power magazine
>>
>> List Address: RE-wrenches at lists.re-wrenches.org
>>
>> Options & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>
>> List-Archive:
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>
>> List rules & etiquette:
>> www.re-wrenches.org/etiquette.htm
>>
>> Check out participant bios:
>> www.members.re-wrenches.org
>>
>>
>>
>> _______________________________________________
>> List sponsored by Home Power magazine
>>
>> List Address: RE-wrenches at lists.re-wrenches.org
>>
>> Options & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>>
>> List-Archive:
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>>
>> List rules & etiquette:
>> www.re-wrenches.org/etiquette.htm
>>
>> Check out participant bios:
>> www.members.re-wrenches.org
>>
>>
>>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Options & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out participant bios:
> www.members.re-wrenches.org
>
>
>
> _______________________________________________
> List sponsored by Home Power magazine
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Options & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> List-Archive:
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> www.re-wrenches.org/etiquette.htm
>
> Check out participant bios:
> www.members.re-wrenches.org
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20081120/81274ac1/attachment-0003.html>


More information about the RE-wrenches mailing list