Options to convert existing grounded system to use transformer-less inverter? - Solar Panels

MichKrom

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Join Date: Jul 2019

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Options to convert existing grounded system to use transformer-less inverter?

11-02-2019, 04:10 PM

Hi,

My system is an older SunPower installation with positive-ground PV panels. One of the inverters (SPR-3300) failed and I need to replace it (the battle is described here). It seems that the inverters on the market are all transformer-less (TL) these days. What are my options?

This seems to suggest the conversion may be possible?

Upgrading existing grounded inverter systems

https://www.renvu.com/Learn/Upgrading-existing-grounded-inverter-systems

CharacteristicsManufacturer: blog

Any suggestions?

Regards,
Michal
Tags: grounding, inverter, sunpower, transformer, upgrade

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