Peter Jeremy wrote:
>
> Note that ferro-resonant transformers have an output waveform close to
> a square-wave. They also current-limit at close to their rated output
> current - which means loads with large inrush currents will cause
> serious voltage droop. Finally, the output voltage is quite frequency
> sensitive - don't try to use a 50Hz unit at 60Hz or vice versa.
>
Don't try to use any 60Hz 'machine' (to a EE, a transformer is often
considered a 'machine') at 50Hz unless you know what you're doing. You
have to derate the device for operation at the lower frequency.
Generally speaking, you can go from 50Hz to 60Hz though.
--
Jim C. Nasby (aka Decibel!) /^\
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