Power path, UPS & redundancy — how data centers keep servers running without interruption.
Fail Path A, Path B, or a shared dependency and watch load sharing, takeover and capacity margin respond.
Adjust containment effectiveness and recirculation and watch server-inlet temperature respond.
Adjust air flow, chilled-water flow and coil capacity and trace leaving-air and inlet temperature.
Step through a utility failure, generator start delay, cranking and stabilization while a UPS battery bridges the gap.
Trace power from utility through the ATS, generator and UPS battery to the rack during an outage.
Load a three-phase rack PDU, shift imbalance onto one phase, and watch branch current, neutral current and thermal trips respond.
Compare N+1 parallel capacity with independent A/B paths and see when a shared dependency defeats redundancy.
Fail source A/B thyristor banks, mismatch phase, and see how transfer timing and load hold-up interact.
Drop utility, fail the rectifier or inverter, and track battery SOC and conversion losses in an online UPS.
Fail the pump or chiller and watch server inlet, coil and water temperatures respond in a closed chilled-water loop.