Search Results for: kragten

28-pole PM-generator design by Kragten (plus added rectifier papers)

Adriaan Kragten writes: Report KD 730 can be copied for free from my website: www.kdwindturbines.nl at the menu KD reports. The title of this report is: “Ideas about a 28-pole, 3-phase permanent magnet generator using the housing and winding of … Continue reading

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Kragten update again

Dear Hugh I have written a new report KD 723 which can be copied for free from my website: www.kdwindturbines.nl at the menu KD reports. The title of this report is: “Ideas about an 18-pole, 2-phase permanent magnet generator using the housing … Continue reading

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New Kragten paper on asynchronous motor conversion

“Report KD 718 can be copied for free from my website: www.kdwindturbines.nl at the men KD-reports. The title of this report is: “Ideas about a 16-pole, 3-phase permanent magnet generator using the housing and winding of a 4-pole asynchronous motor frame … Continue reading

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New chapter 9 in Kragten’s public report KD 341

Adriaan writes: “Dear HughI have added a new chapter 9 in my public report KD 341 which may interest you. The title of this chapter 9 is: “Voltage generation in a coil”. This chapter also contains three pictures of a small … Continue reading

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Bench testing of Kragten axial alternator

Adriaan Kragten has tested one of his small alternator designs and published results showing it is compatible with a 1.02m diameter rotor for a low power wind turbine. A new chapter 6, “Generator measurements”, has been added to public report … Continue reading

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Another document by Adriaan Kragten

Adriaan continues to add to the impressive list of reports that are free to download from his web site. These provide a valuable resource to students or designers working on small wind projects. My newest report KD 672 can be … Continue reading

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Kragten 2-bladed 1.8W windmill with no iron in the coils

Here is another design document available free from Adriann Kragten.  He wrote to me: “Recently I have written report KD 664 which can be copied for free from my website: www.kdwindturbines.nl at the menu KD-reports. The title of this report … Continue reading

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More free design documents from Adriaan Kragten

Adriaan writes Dear Hugh I am 71 years old now and in December 2017 I have ended the commercial activities for my engineering office Kragten Design. But I am still active and my website: www.kdwindturbines.nl will be maintained as long … Continue reading

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Another design proposal from Adriaan Kragten

Adriaan tells me: “Recently I have written report KD 645 about the design of a new type 10-pole radial flux PM-generator with no iron in the coils and a simple 1-layer winding. This report can be copied for free from … Continue reading

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A chance to work with Adriaan Kragten on a pumping application for small wind

Here is an invitation from Adriann Kragten to test his design ideas and develop a pumping wind turbine project.  Please note that Adriaan has never built an axial flux generator, so these instructions are not like my Recipes which are … Continue reading

Posted in Adriaan Kragten, Books, construction, People, pumping water | 5 Comments