[RE-wrenches] inverters/ generators and noise

jay peltz jay at asis.com
Thu Nov 20 14:32:39 PST 2008


Hi Bob,

Nope standard house, well standard in that is very high end.

60" plasma screen,
best of everything all that but nothing that I would call unusual?

jay

peltz power
On Nov 20, 2008, at 2:26 PM, robert ellison wrote:

> 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
>

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