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From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: sci.electronics.design
Subject: Re: Grand Apagon - Electricity (not) in Spain
Date: Fri, 9 May 2025 14:20:41 +0200
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On 2025-05-09 13:05, Don Y wrote:
> On 5/9/2025 3:29 AM, Carlos E.R. wrote:
>> cer@Isengard:~> upsc salicru
>> battery.charge: 100
>> battery.voltage: 13.60
>> battery.voltage.high: 13.60
>> battery.voltage.low: 10.40
>> battery.voltage.nominal: 12.0
>> device.type: ups
>> driver.name: blazer_usb
>> driver.parameter.pollinterval: 2
>> driver.parameter.port: auto
>> driver.parameter.synchronous: no
>> driver.version: 2.7.4
>> driver.version.internal: 0.12
>> input.current.nominal: 3.0
>> input.frequency: 50.0
>> input.frequency.nominal: 50
>> input.voltage: 229.4
>> input.voltage.fault: 229.4
>> input.voltage.nominal: 230
>> output.voltage: 229.4
>> ups.beeper.status: enabled
>> ups.delay.shutdown: 30
>> ups.delay.start: 180
>> ups.load: 13
>> ups.productid: 5161
>> ups.status: FSD OL
>> ups.temperature: 25.0
>> ups.type: offline / line interactive
>> ups.vendorid: 0665
>> cer@Isengard:~>
>>
>>
>> It doesn't report current. There is "ups.load: 13", but no idea of the 
>> units.
> 
> It may be percent of maximum or somesuch.
> 
>>>> I saw in an Eaton model they mentioned two strategies - translated 
>>>> from Spanish:
>>>>
>>>> UPS Topology: Standby (Offline) or Standby (Offline)
>>>>
>>>> Eaton Ellipse ECO 650 IEC SAI Offline 650VA 400W
>>>> Eaton P/N: EL650IEC
>>>
>>> I have a couple of eatons in the garage.  I didn't like them for
>>> use in the office as their fans (run continuously) are louder
>>> than I would like (and I have no desire to go tweaking fans)
>>
>> Ah, no, no fan in mine.
> 
> These are 2KVA and larger.  When on battery, there is a
> fair bit of waste heat that has to be blown off lest the
> internal temperature rise too much.

Ah, ok.


> I figure whoever specified the fans must have considered
> their efficiency so wouldn't want to go playing around
> with alternate devices and discover something died
> prematurely, as a result.
> 
> [And, lots of UPSs available for rescue.  I brought home
> four 2200VA units two weeks ago and decided to scrap them
> as they were double-conversion models.  I cut off the
> #12AWG power cords and made four "extension cords" from
> the set!]

Heh.

-- 
Cheers, Carlos.