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Green Renewable Energy Forum
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Is my PV setup safe? Should my Inverter be grounded?
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<blockquote data-quote="SolarLover" data-source="post: 525730" data-attributes="member: 34923"><p>Hi</p><p></p><p>I have a new on-grid system of:</p><p></p><p>17 x Q Cells Peak Duo Black ML-G9 380w Panels (6.46 kWh array) split over 2 strings 10 & 7</p><p></p><p>4 x Growatt PowerAmp ML33RTA 3.3 kWh batteries (13.2 kWh) </p><p></p><p>1 x Growatt SPH3000 6.6 kWh Inverter</p><p></p><p>My inverter is not grounded & I’ve checked with my installer and they say the Inverter does not need grounding; whereas the Growatt manual says it does!</p><p></p><p>They say “grounding the PV array this isn’t needed unless we are installing on a erroneous roofing material, we use that earthing point on the inverter to bond the 6.5kw batteries but there is no point available on the 3.3 kw batteries. The battery storage is 50 volts low voltage”</p><p></p><p>Our panels are on a tiled roof with inverter & batteries inside garage.</p><p></p><p>Is this correct?</p><p></p><p>Pics atta[ATTACH=full]13461[/ATTACH]ched[ATTACH=full]13462[/ATTACH]</p><p></p><p>Thanks in advance</p></blockquote><p></p>
[QUOTE="SolarLover, post: 525730, member: 34923"] Hi I have a new on-grid system of: 17 x Q Cells Peak Duo Black ML-G9 380w Panels (6.46 kWh array) split over 2 strings 10 & 7 4 x Growatt PowerAmp ML33RTA 3.3 kWh batteries (13.2 kWh) 1 x Growatt SPH3000 6.6 kWh Inverter My inverter is not grounded & I’ve checked with my installer and they say the Inverter does not need grounding; whereas the Growatt manual says it does! They say “grounding the PV array this isn’t needed unless we are installing on a erroneous roofing material, we use that earthing point on the inverter to bond the 6.5kw batteries but there is no point available on the 3.3 kw batteries. The battery storage is 50 volts low voltage” Our panels are on a tiled roof with inverter & batteries inside garage. Is this correct? Pics atta[ATTACH type="full" width="668px"]13461[/ATTACH]ched[ATTACH type="full" width="670px"]13462[/ATTACH] Thanks in advance [/QUOTE]
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Is my PV setup safe? Should my Inverter be grounded?
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