[RE-wrenches] Xantrex XW 6048A unregulated during charging

[Jason Lerner]

Hello Dave,

No it is not three phase, but yes Bulk and Absorb are the same set points. 

Generator is staying connected and is qualified mostly, but will disconnect briefly under load surges….

Weird huh?
Thanks
Jason

> On May 3, 2017, at 4:20 PM, Dave Angelini Offgrid Solar <offgridsolar at sti.net> wrote:
> 
> Hmm. This does not sound good! Three phase power correct? You could try
> connecting a different inverter to the generator.
> Are you sure the generator is staying connected and outputting qualifying AC?
> There are set-points for bulk and absorb and they are the same right?
> 
> Dave Angelini Offgrid Solar
> "we go where powerlines don't"
> http://members.sti.net/offgridsolar/
> e-mail  offgridsolar at sti.net
> text 209 813 0060
> 
> 
>> Hello All,
>> 
>> I’m working on a system with 3 Xantrex XW 6048’s that has grid on AC1
>> and a 20 kw generator on AC2.  When charging from grid it regulates during
>> an absorption charge at 58.2 where it should.  When charging from AC 2 -
>> generator, the battery Voltage rises above 62 VDC,  but not every single
>> time.  All the settings are correct, EQ is turned off, and if it
>> accidentally got turned on is set at the same Voltage as the absorption
>> setting.  Customer has a brand new 33 kWh AGM battery bank,  that I would
>> rather not fry.  This is a battery backup system with no PV.
>> 
>> I have checked all the temperature sensors (they seem good) and tried
>> charging with them plugged in,  and with them unplugged and it doesn’t
>> seem to change the situation.
>> 
>> Has anybody else seen this happen before?  Any suggestions?
>> 
>> Thanks very much,
>> 
>> Jason Lerner
>> Waldron Power and Light Co.
>> (888) 927-2526
>> 
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> 
> 
> 
> Dave Angelini Offgrid Solar
> "we go where powerlines don't"
> http://members.sti.net/offgridsolar/
> e-mail  offgridsolar at sti.net
> text 209 813 0060
> 
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