Packet Power Blog

Understand Power: Volts, Amps, Watts, Watt-hours and Cost

Posted on Thursday, December 9, 2021 by Paul Bieganski

We live in a world of electrical power. It runs our lights, heating, cooling, computers, and machinery. Consider a data center or any large power-hungry facility -- they need power to function and they must ensure enough power is always available. But power isn’t free. Data center managers closely track power as the cost of energy used by a server over its useful life routinely exceeds its purchase price. And most data centers spend twice that amount to cool the servers and remove heat from the facility.

Here's a quick review on the basics of electricity -- Volts, Amps, Watts and Watt-hours. Adding information on cost at the bottom turns this review of the basics into a necessary part of any critical facility manager's job.

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Topics: Know your power, Power basics, energy efficiency

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