[Tagging] Feature Proposal - RFC - Power pole extension

Mike Thompson miketho16 at gmail.com
Sun Feb 12 23:07:47 UTC 2017


After a little digging, it seems that there *was* at one time such a thing
as two phase electric power, with the phases 90 degrees apart[1]

[1] https://en.wikipedia.org/wiki/Two-phase_electric_power



On Sun, Feb 12, 2017 at 2:14 PM, Warin <61sundowner at gmail.com> wrote:

>
> I think the incorrect term '2 phase' is the split single phase (or single
> phase 3 wire) that the Americans use, 120 v  from 'neutral' to either line
> but 240 v from line to line and that 240 v is termed '2 phase' despite the
> fact that it is a single phase. All of these lines are supposed to float -
> no connection to earth is supposed to be made.
>
>
>
>
>
>  On 13-Feb-17 07:27 AM, ajt1047 at gmail.com wrote:
>
>> On 12/02/2017 20:07, Mike Thompson wrote:
>>
>>> Jherome,
>>>
>>> ...  Having spent some time in the electrical industry (in the U.S.) my
>>> understanding is there is no such thing as "2 phase", only single phase and
>>> three phase.
>>>
>>>
>>>
>> In terms of supply to premises, you're going to get single phase or
>> 3-phase, but I think that you can still get minor power lines carrying just
>> 2 phases (e.g. to 2 houses, each single phase) can't you?
>>
>> Best Regards,
>>
>> Andy
>>
>> (who hasn't actually done any 3-phase wiring in 40 years, so it might
>> have changed a bit since then!)
>>
>>
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>
>
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