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2 posts tagged with backup by thewalrus.
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UPS and battery reference on the large scale

I would like to learn more about large-scale UPS systems, particularly the battery strings used in traditional RBOC/Telco applications. These are the sort of beasts that use huge strings of 6V 220aH deep cycle batteries, or even large numbers of 2V 400aH batteries on very strong earthquake-resistant shelving wired up to create a 48V mega-battery. Can anyone point me to the most definitive reference materials on the subject?
posted by thewalrus on Dec 17, 2009 - 4 answers

how much fuel does a diesel generator consume?

Diesel generator question: What is the typical fuel consumption rate of a 5kW, 10kW or 20kW unit at various load factors? How much does this vary (in litres per hour, or per day) between the same sizes of unit from different manufacturers? [more inside]
posted by thewalrus on Apr 28, 2008 - 2 answers

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