Re: 240 volts on tangaras and the 4d set

["Michael Walker" <walker@hotkey.net.au>]

>You would want to be carefull what you plugged into any mobile power point.
>V/Line locomotives have standard 3 pin outlets fitted in the cabs, but they
>provide only battery power which is about 65 volts DC. Fitters used to use
>normal looking tools, that were built or rebuilt to use that voltage.
>Hitachi sparks have 240 volt outlets located in the overhead locker at one
>end of the car, but they are only safe for motor operated devices such as
>Vacuum cleaners.
>Comenge Trains have similar outlets in the Drivers cabs, and we use them to
>run our trannies. I have heard of some being fried though.
>Sprinters have outlets at the Emergency tap, in each saloon. I cooked my
>mobile phone transformer the second time I used one. I now have a very
>simple device which tests for AC, and turns on between 220 and off if the
>voltage exceeds 250. We are experimenting with a voltage regulation circuit
>that  can regulate the voltage to 240, even though the supply is about 110,
>or more than 250. So far the device is not a convenient size or weight.


A very small UPS might be bearable if you carried it in a bag for short
distances. It should regulate the voltage and cover for very periods of time
for when the voltage is too low.