Data Center Fundamentals
Understand the power, cooling, reliability and shift-work principles behind a critical facility.
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Mechanical Operator Preparation
Build your understanding of cooling plants, pumps, air systems, controls and mechanical operating scenarios.
Open free lessonFacility Manager Core
Connect technical systems with work control, maintenance risk, incident coordination and leadership.
Open free lessonUninterruptible power supply (UPS): the online inverter supports the load using the normal input or stored battery energy. Runtime and ratings are finite.
Illustrative timing
What happens / 01
Normal utility supply
Utility power feeds the automatic transfer switch and UPS input. The online UPS inverter supplies the critical load; the battery is available as stored energy.
What should a manager verify?
Which parts of this path are common dependencies?
A teaching example, not an operating procedure. Actual topology, sequences, protections, and timing vary by site.
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