This post was originally published on Data Center Knowledge
Backup power is a prerequisite for data center reliability and uptime. The reliability you achieve hinges on the type of backup power system you deploy. These systems vary in effectiveness, scalability, and cost, making the choice critical for data center operations.
Data centers need backup power because most obtain their power from the public grid, which can fail. Power disruptions can occur due to downed wires or insufficient grid supply, causing outages or brownouts. Brownouts pose a particular problem in the summer, when consumer demand for electricity increases due to the higher usage of air conditioning.
Backup power systems are crucial during these scenarios. They enable data centers to maintain uninterrupted operations indefinitely, provided there is sufficient backup capacity, or allow graceful shutdowns of IT equipment. Graceful shutdowns prevent hardware damage and data loss, as they help avoid risks associated with servers abruptly losing power during outages.
In this article, we will examine the primary types of backup power systems available for data centers.
Backup Power Systems for Data Centers
Data centers have several options for implementing backup power systems, each with distinct advantages and limitations. Below is an overview of the most common systems.
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