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UPS Episode or Thoughts

#7
Uninterruptible Power Supplies (UPS) is an interesting subject.
I have a small home network that I protect with UPS.

A lot depends on your budget (as usual) but I cannot afford full time inverter models so use a switching UPS (4ms to switch).

I won't mention brands as there are plenty of reviews out there.

I live in and area where the Electricity GRID  is subject to lots of spikes, surges and the occasional brownout.
You need to understand the difference between spikes and surges.
Most modern UPS have Automatic Voltage Regulation (AVR) with surge protection but are still susceptible to spikes.

Do you want a pure sine wave UPS?
 I do.

You also have to decide how much autonomy time you want to have.  I chose to have about 60 minutes as we have had outages for 30 - 40 minutes.

I also have a backup inverter generator for the times when we are without power for hours and sometimes days in the cyclone season.

I have attached my personal setup in the attachment.

I have built this up over time so as to spread the cost.

I would also refer you to  Network UPS Tools (NUT)
 
I have my UPS plugged into my NAS, via USB, which runs a NUT server.
My other RPi's run a NUT client.

Have a read of the NUT documentation and it's role.

I also use NEMS to keep an eye on the UPS using SNMP (see attachment) for Mains voltage going HIGH or LOW as well as battery run time.

Anyway I hope that give you some insight into Energy Control and management.


[url=http://networkupstools.org/][/url]


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Messages In This Thread
UPS Episode or Thoughts - by Marshman - 02-04-2018, 02:07 PM
RE: UPS Episode or Thoughts - by Robbie Ferguson - 02-05-2018, 04:36 PM
RE: UPS Episode or Thoughts - by Marshman - 02-05-2018, 10:12 PM
RE: UPS Episode or Thoughts - by Robbie Ferguson - 02-06-2018, 01:45 PM
RE: UPS Episode or Thoughts - by PasqualeSti - 02-24-2018, 04:32 AM
RE: UPS Episode or Thoughts - by Robbie Ferguson - 03-02-2018, 09:29 PM
RE: UPS Episode or Thoughts - by ronjohntaylor - 04-06-2018, 05:34 PM
RE: UPS Episode or Thoughts - by Marshman - 04-08-2018, 02:14 PM
RE: UPS Episode or Thoughts - by LewisLeb - 07-10-2018, 10:19 AM
 
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