Author Archives: hugh

About hugh

I live off-grid in NW Scotland and have spent my life playing with wind turbines. I also love small hydros. Hands on renewable energy is my thing and I like to learn and to share my experiences.

Testing an alternator for a 12 footer at Otherpower

Dan Bartmann in action at Otherpower building and testing a new design alternator for a 12 footer (3.6 metre diameter turbine).  See his full description on the otherpower discussion board of this machine with 15 inch magnet rotors, and thick … Continue reading

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work platform

Nice photo by Stephen Smith, from Alan Engelstad in Canada.

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Wind turbine controllers for optimising blade speed

Efficient wind turbine alternators connected directly to batteries do not have the right speed range to make the best use of the blades.  Adding a controller that converts the voltage between the windmill and the batteries can improve performance (rather … Continue reading

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Hubert MARIN video en Francais

http://www.consommer-responsable.fr/magazine/article/une-eolienne-dans-son-jardin-0

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Counter program in Visual Basic

Julio Costa <[email protected]> has written a simple program in Visual Basic to help him with the counting of the turns on each of the coils. “Rather than building an electronic counter, I’ve implemented it in software, so if one has … Continue reading

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New ideas from V3

V3 have produced a nice little report from their latest workshop in Holland. “A report of a wind turbine build course run at De Twaalf Ambachten, Holland” can be found here There is a clever system for locating the coils … Continue reading

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Turbine Database

Eirbyte in Ireland have opened a Turbine Database for anyone to join (you have to register) so that we can share details of our wind turbines. Enter your details and send any feedback to Jimmy about how the database can … Continue reading

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Otherpower workshops

Otherpower have been doing a few fun workshops this year. Here is a photo of the benchtesting of a 12 foot diameter turbine’s alternator using Dan’s old Volvo to drive it. See more at the fieldlines discussion board

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Upcoming courses in Washington State

I am teaching a couple of courses in WA at the end of this month.  Should be fun! One is a Home Build workshop similar to the one we did last year in this video: The other one is wind … Continue reading

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Video from Nova Scotia (tower and power electronics)

Thanks to Jonathan for this video update of what is going on in Nova Scotia, Canada.

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