Hi Giulio,
a simple solution would be, if you use a current sensor based on the
hall effect priciple. This type of sensor gives you a voltage
proportional to the current, which in return can be monitored a 1wire
voltage sensor. Those sensors can monitor quite high currents (up to
200A), but I don't know if they can handle 240VAC! You might have to
search for some specs on those.
Alternatively you can have a coil around the a strand of the a cable you
want to measure and again get a voltage (induction) proportional to the
current in the strand.
Hope this helps a bit,
Martin
On 05/24/2013 08:27 PM, Giulio Carabetta wrote:
Hello!
I'm thinking about a new project, about monitoring AC power lines, in
industrial environment (tipically AC 220@50Hz, hi current...).
I have some little experience with owfs, and I'm reading this list
from a lot, so I was thinking about a solution with a linux based
small hardware (like raspberry or arduino or odroid, ecc).
I remember I read something like this, maybe with DS2450 (no longer
available?) or also with DS2438. But I don't know how this is
applicable, for the measurement and for an industrial production area.
Can be better to move to i2c? I've seen some "power and energy
measurement IC", even from Maxim, with I2C bus, but it will be totally
new for me.
And, to make more complicated all, I must admit that I'm not so strong
on the electric/electronic side... :)
Any suggestion will be very appreciated
Many thanks
Giulio
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