Nice homebrew grid connected project


Karl writes:

I registered with the Npower ‘juice’ green electrity tarrif and told them i had a wind turbine i would like to connect to the grid. They sent the forms to register asking what make the turbine was and who intalled it, i also had to fit a generation meter for them to read my power output. The terms and conditions on the application do not mention having to have MCS certified machine or installer so i just told them i did it all and drew a simple diagram of the layout and told them the inverters were g83 compliant.They said it was no problem and signed me up but now after reading your blog i wonder if it will be!

The turbine i have connected is 10′ diameter mounted on a 13 meter pole. I use 3 mastervolt soladin inverters with a dump load controller in between and it ties to the grid via a standard 13 amp plug wired on its own into the house distribution board. I have built 5 more 8′ turbines as in the pictures all with laminated blades caved using templates that fix onto the sides of the blanks and follow bearing guides on a modified 9″ surface planer, it takes 5 minutes to cut the twist and taper in each and they all turn out exactly the same.All i then do is to form the aerofoil shape on the back by hand.

I hope my machine and anyone else’s will be allowed to work with the FIT as the whole idea of green energy should be above and beyond the greed that got our climate in such a mess in the first place

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