How to build a micro wind turbine by CLEMENT JOULAIN

Author:CLEMENT JOULAIN [JOULAIN, CLEMENT]
Language: eng
Format: epub, pdf
Published: 2012-11-11T23:00:00+00:00

Figure 21: Fixing the magnets to the brake disk.

Figure 22: Final position of the magnets on the brake disk

Magnet4less.com in the United States sells the necessary magnets at a good price. Obviously you can order directly from China at a better price but you will pay more for delivery and importation taxes. In the UK, Wind-turbine Supplies sell neodymium magnets as well. For magnet suppliers in other countries, please refer to Hugh Piggott website.

www.scoraigwind.com

You will need to protect the magnets from corrosion to ensure a long life of your alternator. Magnets also represent a big part of the total wind turbine cost, so it’s a good idea to invest in a good protection. Some people choose to set the magnets in epoxy resin, which is the best protection but a bit expensive. A good option is to glue the magnets on the break disk with epoxy and t do a nice paint job on them with high quality anti-corrosive paint. Bitumen epoxy paints are proven to give the best results for the long term. Renew the paint as frequently as needed.

Bolt the finished rotor on the housing's rotor flange with four 8mm stainless steel bolts of 50mm length. The alternator is now nearly finished!

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