Hi all,
Does anyone know a manufacture of a 70-0-70VAC transformer ? All the ones listed in Farnell are 55-0-55 tops, Clairtronic only list upto 55V...
any ideas for anywhere which would make custom ones without breaking the bank ?
(UK)
Cheers, Chris
This company makes many transformers, both standard models and custom versions:
-- Tomi Engdahl (http://www.iki.fi/then/) Take a look at my electronics web links and documents at http://www.epanorama.net/
As you undoubtedly know, you can use two transformers - that's not inexpensive?
If you use a toroid, you can wind buck or boost windings of your own to adjust the voltage. Easy on the larger transformers where the "volts per turn" is higher.
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Primary voltage? Frequency? Secondary current? Regulation?
-- John Fields Professional Circuit Designer
use two 70V transformers with the secondaries in series.
or if you can find a transformer with two 15 volt secondaries (such are available this side of the globe) use them to "extend" the ends of the
55V transformer.for a one-off doing this will almost certainly be cheaper than a custom transformer (unless you're prepared to wind your own from junk parts)
-- Bye. Jasen
Thanks for everyones feedback.
I managed to find a company who will make one for a good price, its more like 1000va or over, so its a big un! Would rather have 1 large one than 2 smaller ones, just trying to keep the space they take up as small as possible..
cheers chris
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