Category Archives: products/technical

Battery storage on the grid

Posted on 07/07/2015 by hugh

My friend Ian Woofenden has this to say about using batteries on the grid: Tesla Battery Perspective There’s been a lot of buzz recently about the Tesla battery. My attitude and ideas toward it are tempered by 30+ years of … Continue reading →

Posted in People, products/technical, wind systems tutorial | 17 Comments

Wiring loss in 3 phase wind systems

Posted on 24/02/2015 by hugh

Here is a piece I did about AC and DC in 1999.  It explains why DC wiring is slightly more efficient than 3-phase AC wiring where the AC is feeding a rectifier (rather than grid AC which is at  higher … Continue reading →

Posted in products/technical, wind systems tutorial | 12 Comments

Hornet wind turbine next door

Posted on 13/02/2015 by hugh

After the storm destroyed the Ampair 100 that was on this mast, a neighbour bought a Hornet from http://windgenerator.org.uk/  This is the 8-blade 1250 watt version.  Apparently it has been seen producing 1251 watts into a 24 volt battery “in … Continue reading →

Posted in products/technical, Scoraig, UK small wind scene | 42 Comments

back in action after storm

Posted on 23/01/2015 by hugh

Perceptive readers will have noticed the little red graph on the right plunge to zero after the big wind we had on 9th January.  This was due to my AWP windmill plunging to the ground with a broken alternator shaft.  … Continue reading →

Posted in products/technical, Scoraig | 2 Comments

Great result …and pics

Posted on 08/01/2015 by hugh

Hello Hugh, Now the festivities are over I want to report back on our Powerspout and Midnight Classic installation.  It’s incredible!  The generator has not been used once this winter.  We are making around 250 watts 24/7 with the small … Continue reading →

Posted in hydro, products/technical | Leave a comment

Some video of my presentation

Posted on 07/12/2014 by hugh

Here is footage from the presentation I made for the Windempowerment Conference in Athens last month. Actually this is a backup that was not used at the conference as I was able to make the same presentation live (and said … Continue reading →

Posted in construction, ferrite magnets, my own projects, People, products/technical, Scoraig, Video links, wind systems tutorial | 2 Comments

Live data from a powerspout turbine in Abergavenny, United Kingdom

Posted on 12/11/2014 by hugh

Here is a site where you can see a grid connected powerspout in operation exporting electricity.  Unlike solar PV systems, this renewable source keeps going night and day.  Although it only generates 600-700 watts or so, it keeps up well … Continue reading →

Posted in hydro, People, power curve data, products/technical | 2 Comments

Sample noise assessment for planning consent

Posted on 29/10/2014 by hugh

I am grateful to Graham Caulton for sharing this noise assessment that he used in order to get planning consent for his home-built wind turbine.  UK planning officials tend to ask for a noise assessment as a condition for granting … Continue reading →

Posted in products/technical, UK small wind scene | Leave a comment

Wind turbine builders from Holland

Posted on 02/06/2014 by hugh

Dear Hugh, About a year ago we have had contact about the inverter choice for the 4200 project. The Ginlong inverter is doing a great job so far. The turbine has produced over 1000kwh after about 4 months on a … Continue reading →

Posted in construction, People, products/technical | Leave a comment

Windtracker test update

Posted on 08/04/2014 by hugh

An update 2 years on for my post on the Windtracker by Logic energy. I put one of these windtrackers on a windmill tower (the Kestrel tower actually http://scoraigwind.co.uk/?s=kestrel which is the right hand end one in the above photo) … Continue reading →

Posted in power curve data, products/technical, Scoraig | 7 Comments