[RE-wrenches] Sync problem
William Miller
william at millersolar.com
Fri Oct 30 12:33:35 PDT 2009
At 12:18 PM 10/30/2009, you wrote:
Sorry, incomplete sentence in original post. Corrected below:
>Friends:
>
>In addition to ramping down the charge amps, you also need to ensure that
>the loads are removed for testing. Even with charge amp at 1, if the
>loads exceed the capabilities of the generator to maintain adequate
>voltage and frequency the inverter will disconnect the generator.
>
>I discussed this very issue with Outback at the show yesterday. The GFX
>series inverter has tighter input tolerances on the AC input than a none
>grid-tie model. This is because there is only one AC input and that input
>needs to comply with grid tie requirements.
>
>Another short coming of the Outback is: if the loads exceed the source
>capabilities, once the transfer occurs, the source will overload, be it to
>trip a source breaker or bog down a generator. If this were an SW or XW
>inverter, the inverter would synchronize with the source and assist in
>delivering power to the loads.
>
>William
>
>
>
>
>At 12:07 PM 10/30/2009, you wrote:
>>Hi Drake-
>>
>>You may be overloading the genny (and it either pops a reset breaker or
>>just shows a red light that there is an internal overload, requiring you
>>cycle the on/off switch to reset.
>>
>>To "test" I suggests ramping down the charging AC amps on the mate to 1 or
>>so, see if the genny charges, then step up the charger amps until the unit
>>cuts out. Kinda like the Appalachian torque wrench: tighten until the SS
>>bolt breaks off, then back it off 1/2 turn.
>_
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