hi all
I have built a transformer from circular spools, with this design i can change the primary without unwinding any other coils. When a iron wire alloy primary was wound i noticed this induced over 2.5x more current in the secondary than the same size copper primary.
With high currents iron wire generates a lot of heat, for lower currents (.5A or less at 16v to give a rough idea) and circuits that do not have a problem with higher wire resistance it looks very usefull.
i have been looking into this and will give more information but for now here`s a link for insulated iron wire. it`s hard to find and even harder at a reasonable price.
http://www.crazywireco.co.uk/acatalog/Iron_Wires.html
its not the best but very cheap, if you want better ya looking at £75 for 5m
I have built a transformer from circular spools, with this design i can change the primary without unwinding any other coils. When a iron wire alloy primary was wound i noticed this induced over 2.5x more current in the secondary than the same size copper primary.
With high currents iron wire generates a lot of heat, for lower currents (.5A or less at 16v to give a rough idea) and circuits that do not have a problem with higher wire resistance it looks very usefull.
i have been looking into this and will give more information but for now here`s a link for insulated iron wire. it`s hard to find and even harder at a reasonable price.
http://www.crazywireco.co.uk/acatalog/Iron_Wires.html
its not the best but very cheap, if you want better ya looking at £75 for 5m
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