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Off-grid system | The generator starts randomly

FlorinMarian

New Member
Joined
Jun 4, 2023
Messages
2
Location
Romania
Hello!
I am writing to you as an end user who recently installed an off-grid system for the operation of a mini datacenter, hosted at home.

What components I used:
- 1x Inverter Growatt OFF-GRID SPF5000ES (5KW)
- 14x photovoltaic panels of 425W (5.95KW)
- 4x Sorgeti 12 SBF 100 batteries in series (48V)
- 1x Generator Stager DG5500S with ATS

What was my target?
To have an uninterrupted power source for a consumption of up to 4.2KWh (as much as the generator supports).

How did I do the installation?
A wire from the on-grid network enters the INPUT of the generator and the OUTPUT enters the inverter on the AC input. I also have the four batteries and the photovoltaic panels connected to the inverter, and the AC output goes directly to the rack where I have the servers.

What problem am I facing?
The current generator starts "randomly" (usually in the morning but not only) and does not stop immediately as if it detects some small power interruptions, but I stopped it manually several times after about 15 minutes (from my tests, if I remove the INPUT plug from the generator, it starts immediately and if immediately afterwards I put the on-grid plug back in, the generator stops in less than 5 minutes).

Thanks in advance for all the help!
 
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