[RE-wrenches] Generator backfeeding enphase?

Drake drake.chamberlin at redwoodalliance.org
Wed Oct 21 06:57:18 PDT 2015


Several years ago, An inverter tech support 
person claimed that the system voltage would go 
above the inverter cutoff point and shut down the 
inverter. How high a voltage is needed to get a generator to motor?


At 07:16 PM 10/20/2015, you wrote:
>I guess that am missing something..... I have 
>yet to see a generator that is available to most 
>home owners that will meet the required AC 
>voltage & Hzs to latch onto any grid tied inverter.
>On Oct 20, 2015, at 12:37 PM, jay wrote:
>
>>I don’t think you are missing anything.
>>jay
>>
>>>On Oct 20, 2015, at 9:01 AM, Howie Michaelson 
>>><<mailto:howie at suncatchervt.com>howie at suncatchervt.com> wrote:
>>>
>>>Does anyone think that there is no issue with 
>>>having enphase potentially backfeeding a 
>>>backup generator? We almost always will tie in 
>>>upstream of a generator transfer switch, but a 
>>>competitor is telling clients with an enphase 
>>>system there is no concern. Am I missing something?
>>>
>>>Thanks,
>>>Howie
>>>Howie Michaelson
>>>NABCEP Certified Solar PV Installer™
>>>
>>>Catamount Solar
>>>Renewable Energy Systems Sales and Service
>>>VT Solar Electric Incentive Partner
>>><http://www.catamountsolar.com/>http://www.CatamountSolar.com
>>>802-272-0004
>>>
>>
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