OT: Declan and quantum physics
posting at vodacomm.ca
Thu Jul 24 08:00:39 PDT 2003
Ian Molton wrote:
> In the UK, we have local substations that drop down to 240V and
> supply about 100 houses. (thats a guess based on how many substations
> I see relative to how far apart they are in a built up area)
In NAm, the main panel is fed with three conductors; two hots and a
neutral. Each hot is approximately 110 VAC to the neutral, and 220 VAC
to each other (this is for the washer/dryer/heavy appliances as
mentioned in a previous post). Does this mean there is a 180 degree
phase difference between the two?
> Correct. You can also reverse a 3-phase motor FAR easier than a 1
> phase one (simply swap any two phases).
Would you still get sparking? BZZT
Blue flashes in a reversing motor have always scared me.
Now, in an effort to steer this *slightly* toward Linux, has anybody
dabbled in lighting and appliance control using Linux?
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