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Old 10-25-19, 02:31 AM   #65
buteman
Lurking Renovator
 
Join Date: May 2011
Location: Barrow upon Humber
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Default Dumping extra power

I know this is an old thread but I have become interested in finding if I could use my grid tie system if the grid fails.
I see one problem is caused when the panels are producing more power than you need.
Would it be possible to monitor the GTI voltage and switch in dump resistors so that they hold the voltage at a safe level?
I'm thinking you could use a few resistors and just switch more and more in progressively.
I think you could use a small SBC such as the Raspberry Pi to control things.
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