Question about MGE Galaxy 3000 UPS System

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We at CAAP Davao Philippines have a MGE Galaxy 3000 10KVa UPS with serial no. 13299-4. It was installed last 2003. We had three times replaced its batteries over the period of years, the latest was 2008. But it occassionally (once or twice a week) gives a low battery life alarm for the past year or two. We do a hard reset all the time when this happens just to eliminate the alarm. What is your advice on this? Thank you very much. Caesar - Facility In-Charge, Transmitter Station

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On the Galaxy display you could see what is the remaining battery life time as calculated by the software. Normally after you replaced the batteries you are supposed to reset this counter using specific software by the manufacturer. According to your information you have replaced the batteries 3 times in 5 years period. This is not normal. Nevertheless since the last replacement in 2008 it appears that the battery are now reaching the end life, which is generally 3-5 years life expectancy.

I would review the following of the assumption that the UPS is fully operational and the charging system is working.

1. Do a load test or a battery impedance test to verify the batteries are good
2. I would look at the battery life time specification, whether it is 3-5 years, 5-7 years ect.
3. Check the room temperature, every 10 degrees Celcius above 25 deg reduces battery life time by half
4. Check the number of power failures/ duration of these power failures and if possible what load were on the UPS at the time of the power failures.
I hope this will help. If all verifications are to specifications, then most likely it is a software problem

Posted on Apr 01, 2011

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  • EMMANUEL BAMIDELE Oct 20, 2011

    does this applies to 15kva mge galaxy 3000 ups. Will it come up after battery replacement

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What is the software name?

Posted on Apr 05, 2013

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It is always recommended to use the software each time the battery replacement is carried out. This helps in battery life and ageing calculation.

Posted on Jun 25, 2012

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