[SML] Motor protection
Jerry Durand
jdurand at durandinterstellar.com
Thu Oct 26 12:26:30 UTC 2023
The CIS countries through China are all 220/380 as far as I know. The
only lower voltage is 110V from step-down transformers. They are divide
by 2 so our USA stuff runs a bit slow but otherwise fine.
Where we are the power is pretty stable except during storms. With all
the spare cash floating around EVERYTHING is being repaired/upgraded.
So our entire power system in town is being upgraded. That leads to
some scheduled outages. Same with water.
We were recently in Armenia, there it was a guess how long we'd have
power and/or water during the day. Also the Internet and cell phones
would go out without warning.
We were also in Cape Town for a while visiting a client. There are
scheduled power failures EVERY day that last for hours. But, the water
stayed on and we cooked with LP gas (5kg bottle).
On 26-Oct-23 14:54, Stephen Lee via Stagecraft wrote:
>
> Interesting! 380v seems like an odd voltage, but I guess it makes
> sense if 220v is the hot-neutral voltage. I'm so used to the 120/208v
> & 277/480v systems here in the US, that it struck me as different when
> I first read that. What are some of the common voltages that you see
> in your part of the world?
>
> Stephen
>
>
>> Forgot to add, 380V phase to phase, 220V to neutral, 50Hz WYE
>>
>> On 25-Oct-23 22:20, Jerry Durand via Stagecraft wrote:
>>> I'm putting in a new 3 phase motor protector, what would be a
>>> recommended max deviation phase to phase?
>>>
>
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