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UPS opinions?


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UPS opinions?

  #21 (permalink)
 jsengxx2 
Portugal, Viana do Castelo
 
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  #22 (permalink)
 artemiso 
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Big Mike View Post
@artemiso my 14kw generator is propane, and I am building on 4 hectares, plenty of room to safely store the tank away from the house.

Cost of fuel here is dirt cheap.

Sent from my LG Optimus G Pro

How does the generator kick in when your main power goes out?

Is there a way to route a power line from a redundant substation? That would sound easier in your situation.

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  #23 (permalink)
 
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 Big Mike 
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artemiso View Post
How does the generator kick in when your main power goes out?

Is there a way to route a power line from a redundant substation? That would sound easier in your situation.

Yes it auto starts in 10 seconds.

I live in Ecuador not Manhattan so you really need a better understanding of third world country power conditions.

Sent from my LG Optimus G Pro

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  #24 (permalink)
 artemiso 
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Big Mike View Post
Yes it auto starts in 10 seconds.

I live in Ecuador not Manhattan so you really need a better understanding of third world country power conditions.

Sent from my LG Optimus G Pro

I see, it's good to hear that off-the-shelf generators have that functionality nowadays. Is there a point where your primary and secondary power sources are connected to an auto-transfer switch? Or do the UPSes just stall enough time for you so that you can shut down everything, then manually switch from primary power source input to generator input, before you reboot everything?

This relates back to @rleplae's initial question: I think that capacity and redundancy is overrated. I would rather the worst backup uptime for a single hardware component be only 3 minutes and have a <5 millisecond failover time, than have 24 hours of backup power but the failover time is anywhere from 10 seconds to several minutes (network re-negotiation takes a while even in a home with a Comcast gateway).

Ecuador appears to be an IAEA member state as well, so perhaps you could install a homebrew nuclear reactor to supply a permanent, single-phase power source.

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  #25 (permalink)
 
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 Big Mike 
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artemiso View Post
I see, it's good to hear that off-the-shelf generators have that functionality nowadays. Is there a point where your primary and secondary power sources are connected to an auto-transfer switch? Or do the UPSes just stall enough time for you so that you can shut down everything, then manually switch from primary power source input to generator input, before you reboot everything?

This relates back to @rleplae's initial question: I think that capacity and redundancy is overrated. I would rather the worst backup uptime for a single hardware component be only 3 minutes and have a <5 millisecond failover time, than have 24 hours of backup power but the failover time is anywhere from 10 seconds to several minutes (network re-negotiation takes a while even in a home with a Comcast gateway).

Ecuador appears to be an IAEA member state as well, so perhaps you could install a homebrew nuclear reactor to supply a permanent, single-phase power source.

No need to shut anything down or reboot. That's the point.

It's a whole house generator wired into circuit breaker panel. UPS's keep things up for the 10 seconds it takes generator to kick on.

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  #26 (permalink)
 artemiso 
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Big Mike View Post
No need to shut anything down or reboot. That's the point.

It's a whole house generator wired into circuit breaker panel. UPS's keep things up for the 10 seconds it takes generator to kick on.

Sent from my LG Optimus G Pro

Gotcha. That sounds reasonable if you have only a single mains power supply.

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  #27 (permalink)
 Fabrice33 
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artemiso View Post
Gotcha. That sounds reasonable if you have only a single mains power supply.

I recommend "eaton ellipse pro", u have to choose your power...
the "sell support" is very efficient, in France.
In usa, if it exists...
Fabrice from france

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  #28 (permalink)
 
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 vk79 
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I am looking to buy UPS. I just would like to protect my Desktop Computers from any power surge. I have 2 desktop computers, 4 monitors, router and a modem.
How do I calculate the requirement? Appreciate any recommendations. I am leaning towards Cyber power based on the posts in the thread but not sure which one.

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  #29 (permalink)
 
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 Big Mike 
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vk79 View Post
I am looking to buy UPS. I just would like to protect my Desktop Computers from any power surge. I have 2 desktop computers, 4 monitors, router and a modem.
How do I calculate the requirement? Appreciate any recommendations. I am leaning towards Cyber power based on the posts in the thread but not sure which one.

I would go with the CyberPower 1500. The cost difference over smaller capacity VA is negligible.

https://www.amazon.com/CyberPower-BRG1500AVRLCD-1500VA-Outlets-GENERATION/dp/B00LEFYISA/ref=sr_1_3?ie=UTF8&qid=1428157538&sr=8-3&keywords=cyberpower+1500

Mike

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  #30 (permalink)
 romus 
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Hi,

I am considering buying UPS as we started to have some blackouts (summer time - too many air cons on).
Blackouts time vary - so I think of having e.g. 2 units (one from PC and other devices are always connected and another one on the side, being charged "just in case").
Then if one shows that its time is running out, can I then plug it in to another, already charged unit?

Would this allow me to double the time of backing up?

Any Wiz on this?
All opinions appreciated.

Cheers,
romus

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