[RE-wrenches] Outback Grid Problems

Sun Apr 4 08:25:39 PDT 2010

That's a great tip Steve. Is there a downside to changing this setting?

Daryl

> Ray,
>
> If you go to the Status FX Sell menu what is the disconnect reason when
> it does this?
>
> Also have you set the Grid Tie Authority from IEEE to User, when
> customers are all the way out at the end of the line sometimes the grid
> isn't as pretty and UL1741 and 1547 require so if the Grid Tie Authority
> is IEEE the inverter can disconnect prematurely.  Changing this to User
> will open up the disconnect windows a bit so you don't disconnect
> prematurely.
>
> Steve Higgins.
> Sr Application Engineer.
> Sub-Saharan Africa Business Dev Mgr.
> Outback Power Systems.
> 19009 62nd Ave Ne
> Arlington Wa 98223
> 360-618-4313
>
> -----Original Message-----
> From: re-wrenches-bounces at lists.re-wrenches.org
> [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of R Ray
> Walters
> Sent: Tuesday, March 30, 2010 11:54 AM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] Outback Grid Problems
>
> I considered that there could be something happening due to the grid, as
> this guy is way out on the end of the line going into his own utility
> transformer.
> But then the inverter should show a fault light, and it should try back
> again, once the grid voltage drops.
> Instead it initiates a full charge cycle and will not connect till the
> next day.
>
> R. Walters
> ray at solarray.com
> Solar Engineer
>
>
>
>
> On Mar 30, 2010, at 10:57 AM, Brian Teitelbaum wrote:
>
>> HI Ray,
>>
>> Have you checked the grid voltage to see if there is variation during
> the day which would be enough to kick the inverters out of connection?
>>
>> Brian Teitelbaum
>> AEE Solar
>>
>>
>>
>> -----Original Message-----
>> From: re-wrenches-bounces at lists.re-wrenches.org
> [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of R Ray
> Walters
>> Sent: Tuesday, March 30, 2010 9:43 AM
>> To: RE-wrenches
>> Subject: [RE-wrenches] Outback Grid Problems
>>
>> We currently have a Grid Tie system with a pair of Outback inverters
> that are regularly dropping out of sell mode, and letting the arrays
> spend all day charging the battery bank.
>> It seems to do this several times a week, and the customer is losing
> substantial production, and gassing the batteries too much.
>> It will reset itself the next day, or the customer resets it by
> turning off the inverters manually.
>> The system is 24 v, with an old array of 1800 watts running through 2
> FM60s, and a new array of 2800 watts running through another pair of
> FM60s.
>> The battery bank is HUP about 4100 Ah @ 24 v (3 strings of 1375 Ah
> each) Big battery, I know, but the customer is an electrical engineer,
> who wanted maximum storage capacity.
>>
>> Outback tech support has not resolved the issue, and this has turned
> into several service calls, and customer frustration.
>> We've tried running the controllers through the HUB, and also
> independently, and that doesn't make a difference.
>> I have numerous Outback GT installs dating back to 2003, and have
> never had a problem like this.
>> Any help or advice would as always be greatly appreciated.
>>
>> Thank you in advance fellow Wrenches,
>>
>> R. Walters
>> ray at solarray.com
>> Solar Engineer
>>
>>
>>
>>
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