Reader's choice:  Top 5 blog posts

Who can resist "top 5" lists? We can't. So we're sharing Packet Power's five most popular blog posts.

Volts, Amps, Watts, Watt-hours and Cost
A quick review on the basics of electricity -- Volts, Amps, Watts and Watt-hours. Cost turns this review of the basics into a necessary part of any data center manager's job.

Power Factor:  The difference between promise and reality
Most data centers use AC (Alternating Current) power. Unfortunately, voltage and current can get out of sync so you may be getting less power than you think.

DC in the DC
The promise of DC-based power distribution is  enabling systems with fewer power conversion points, making them simpler and more efficient.

Three-phase power or the magic of the missing neutral
Few things seem to cause as much confusion as three-phase power, especially in a Delta configuration.  This post presents a plumber's (and car mechanic's) version of a three phase power system.

Choose the right wireless protocol for your data center
Wireless monitoring networks for data centers have specific requirements that are not always obvious and can be painful if ignored. The essential elements are outlined. 

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