Time to start thinking about a higher voltage controller
It would seem that I only need to switch the high current (armiture) with a single switch.
I would prefer to use an igbt module
http://www.datasheetcatalog.org/datasheet/MitsubishiElectricCorporation/mXyvu.pdf
here is someone making a driver board for it.
http://www.aeva.asn.au/forums/forum_posts.asp?TID=1160&PN=5
and someone else
http://ww1.microchip.com/downloads/en/Market_Communication/June%202008%20microSOLUTIONS.pdf
then I only need something small to switch the field windings
maybe a module like this:
cant find it at the moment but there is a three half bridge module that I hope I could just use one of them (can be found in 75A which would be about the right size)
these can be purchased from this shop on ebay:
http://stores.shop.ebay.com.au/Affordable-Auto-N-Industrial-Stuff__W0QQ_armrsZ1
use these gate drives
http://www.rell.com/resources/RellDocuments/SYS_21/vla503_01.pdf
and these dcdc converters
http://www.platan.ru/pdf/1dist/mitsubishi/VLA106-15242.pdf
Wednesday, June 30, 2010
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