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Load balance your data center to find untapped power capacity

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Load balance your data center to find untapped power capacity

Load balancing data center power can be a good way to gain untapped capacity.

Balancing the data center power load correctly can be a key way to realize extra power capacity in the facility. Pete Sacco, president of PTS Data Center Solutions, said that three-phase uninterruptible power supplies (UPSes) are often plugged into power panels in a way that doesn't maximize potential. In particular, a data center manager might plug too much equipment into the "A" phase of the panel when there is plenty of capacity on the "B" and "C" phases.

"If I have loads of 186, 52 and 31 amps on my phases, I know that I can take loads off of A and spread them to B and C," Sacco said. "I've actually done nothing to deliver more power. I've just load-balanced it."

Sacco added that what often happens is a contractor would rather put in more capacity than balance the loads. The problem arises when there's no more capacity to add.

NEXT: Using a very IT solution, server virtualization, can have big facility results.

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This was first published in May 2010

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