Hi Ray

I will have to triple check, but even if it’s yes. 

How does that explain the time differences?  
If it was a neutralground loop,  then why not it tripping everything right away?

That’s why I was thinking it’s related to the control board in the generator?

Jay

> On Dec 19, 2020, at 5:10 PM, Ray <[email protected]> wrote:
> 
> Is it possible that neutral is bonded to ground in the generator?  I've 
> found lots of multi-bonded neutrals over the years, and had it cause all 
> sorts of weirdness.
> 
> Ray Walters
> Remote Solar
> 303 505-8760
> 
>> On 12/19/20 5:33 PM, jay wrote:
>> HI All,
>> 
>> I have a client with a older Kohler 8-10kw generator, VFX 3648 stacked 
>> inverters, newer rolls batteries. its been installed and operating normally 
>> for 10+ years.
>> 
>> Customer had to upgrade the house for code, which involved installing GFCI 
>> outlets and GFCI breakers.
>> 
>> Since then the  GFI outlets trip every time the generator starts but only 
>> after 3-30 minutes.   They work normally on the inverters. And if you do a 
>> bypass/generator direct the GFI outlets don’t trip.
>> 
>> The GFI breakers trip when the generator is about to turn off, not during 
>> warm down but say 30 minutes before it will turn off.  So charging current 
>> is at the lowest. And again they all work normally on the inverters and all 
>> the rest of the charge cycle.
>> 
>> 
>> Voltage is a bit high, around 254v-259v from the generator but it is the 
>> whole time and seems to stable voltage. But if the voltage was the issue the 
>> outlets would keep tripping.  If it was too high for the breakers, why at 
>> the end and not the beginning?
>> 
>> I’m thinking its possibly a control board in the generator that’s not 
>> working well.  Can’t keep up with the PF for the inverters, etc.
>> 
>> Buts its a new issue I’ve not run across.
>> 
>> Any ideas?
>> 
>> thanks
>> 
>> jay
>> 
>> peltz power
>> 
>> 
>> 
>> 
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