How do I connect this to my cloud server ?
Cloudy with a chance of colocation: Taiwan's Delta Electronics rolls out beastly 600kVA UPS
Taiwanese power distribution and thermal management specialist Delta Electronics has introduced a mammoth of a UPS system designed for the needs of the largest of bit barns. The latest box in the Ultron DPS range [isn't that a copyright violation? – Ed] can provide up to 600kVA of apparent power – and a maximum of eight …
COMMENTS
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Tuesday 2nd July 2019 18:21 GMT Kevin McMurtrie
A bit scary
"can be equipped with lithium ion batteries"
I'm surprised that's not Lithium Iron Phosphate. There are earthquakes here and I'd be uncomfortable around flammable LiPo or heavy lead-acid at megawatt scales. 600kVA is in the same ballpark as the momentary peak output of a Tesla S battery pack. Hopefully this thing lives in its own room.
Delta has owner's manuals online if you're wondering how such beasts are used.
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Tuesday 2nd July 2019 23:09 GMT Kevin McMurtrie
Re: A pf. of 1 !!!
It's likely that they're creating a sine wave output directly from half-bridges generating high frequency, high voltage PWM into an LC filter. This circuit is virtually lossless except for minor switching losses and, of course, severe overload conditions. The power flow is bi-directional so it can operate as both a source and sink of power. As a result, it doesn't matter what the load power factor is as long as the peak current doesn't overload anything.
Less sophisticated 3-step "modified sine" outputs are sensitive to the load factor because they're not a sine wave, there's no LC filter to store power, and the middle step is a 0-volt short. They often indicate a bad power factor by exploding.
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