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Tom Potts wrote: > I was a microchip-designer some moons ago and we did some power chip work > that would have made inverters for about £5 per KVA for the silicon. A > controller for these would be about £100 and then by law you need a > transformer to connect to the mains and thats ~ £150 per KVA. > So why are they so expensive -£1500 p KVA? > Patents and monopolies! > > Patents don't last long... -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html