Flywheel UPS
How does flywheel UPS work? Is there a diagram available to view?

Answer Question   |  August 25, 2009  4:33 PM
Data center backup power, Data center power supplies, flywheel, UPS battery

Keeping non-redundant devices up during a power failure
I need to connect several AC redundant appliances (Servers, Load Balancers, Switches, Firewalls, etc) to other non-redundant ones (SAN Switches, KVM). I have AC PDU’s for redundant and non-redundant devices, but I haven’t figured out the best way to avoid my non-redundant devices being cut off from power from a failure to either PDU.

Answer Question   |  October 2, 2008  3:14 PM
Data center backup power, Data center design and infrastructure, Data center power supplies, Firewalls, KVM, Load balancers, PDU, SAN, Servers, Switches

Looking for modular UPS manufacturers
I want to know how many real modular UPS manufacturers do you know apart from GAMATRONIC’s POWER+, EATON POWERWARE`s BLADE, APC´s SYMMETRA, and NEWAVE.

Answer Question   |  June 15, 2012  9:07 PM
APC, Data center power supplies, UPS

Damaged UPS protected equipment
We had a downstream UPS battery drain outage related to improper installation of a new upstream UPS. This resulted in UPS power failure when the batteries drained, after which multiple cameras and other devices did not work. All but one of these power supplies to these devices were fine. I cannot find any literature on [...]

Answer Question   |  May 5, 2008  8:30 PM
Data center infrastructure, Data center power supplies, UPS

Safety and reliability of modular APC equipement
A reader wrote in to SearchDataCenter.com with this question: We are currently maxed out at our old data center facility and have made the decision to build a new data center. The consulting company we’re using has suggested we build out our UPS capability using APC modular UPS units, rather than older style UPS devices. [...]

Answer Question   |  April 24, 2008  4:33 PM
Data center infrastructure, Data center power supplies, Data Center Security