When designing a power protection scheme for data centers, IT and facility managers must ask themselves whether a distributed or centralized backup strategy makes more sense. Unfortunately, there is no easy answer to that question, so the benefits and potential downfalls of different bypass architectures must be carefully studied. Companies must weigh each architectural advantage and disadvantage against their financial constraints, availability needs and management capabilities before deciding which one to employ.
This white paper explores the principle of centralized versus distributed bypass and will apply it equally to standalone monolithic and integrated-modular UPS architectures, especially trying to clarify the differences in two major areas:
- Reliability (in terms of comparative Mean Time Between Failure “MTBF”) and hence, availability
- Fault clearing capacity and short-circuit withstand rating
By following the suggestions in this white paper, Vertiv says data center operators can simplify their decision-making process by receiving an overview of weaknesses and capabilities of both system designs, whichever strategy they ultimately select.
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Data Center Frontier is edited by Rich Miller, the data center industry’s most experienced journalist. For more than 15 years, Rich has profiled the key role played by data centers in the Internet revolution.