Help with earthing arrangement for generator on off-grid PV system | on ElectriciansForums

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M

Miss Sunshine

Hi everyone. We are doing an off-grid system for a small log cabin. It consists of a 6kVA SDMO generator as back up to a small battery set and 4.5 kWp solar PV array with a 3.0/4.4 kW Sunny Island. The problem I have is the generator has a floating earth. After some research I was going to link the neutral and earth in the generator and run a 16mm earth cable to a stake (or several stakes) in the ground. But after talking to SDMO they have said it may cause a problem with the MODYS control panel on the generator. Does any one know if this is correct as SDMO are being really slow with definite information on this and the customer has run out of patience?

I was thinking I could link the neutral and earth in the fuse board, before the RCD. This is after the generator and after the Sunny Island. Is this correct, will I damage anything and will I have to do anything at the generator end?

I haven't got much experience with generators and any help will be greatly appreciated.
 
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