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Data Center Design and Operations

Electrical losses

Electrical losses are power losses in UPS systems, transformers, switchgear, conductors, and power distribution. They increase facility load above IT load and affect heat rejection, utility demand, and PUE.

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Service credit

Service credit is a contractual credit owed when service levels are missed. It is a common SLA remedy, but it may be capped and may not compensate for all losses caused by downtime.

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Interconnection

Interconnection is the physical and electrical connection of a facility to the grid or to another electric system. For data centers, the term can refer to utility service connection, transmission-level large-load process, on-site generation connection, or fiber/network interconnection depending on context.

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RPP

Remote Power Panel distributes branch circuits closer to IT racks or rows, often downstream of a PDU. RPPs can simplify circuit distribution in white space but must be coordinated with redundancy, metering, breaker coordination, and future rack-density changes.

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