Uninterruptible power supply (UPS) systems maintenance
- Maintenance of the UPS consists of preventive and corrective works.
- Preventive maintenance consists of a scheduled list of activities. Performing
- these activities keeps the UPS in good
- working order and helps to prevent failures.
- UPS rectifier/charger tests (prior shutdown).
- UPS invertor tests (prior shutdown).
- Battery circuit breaker maintenance.
- UPS system maintenance.
- UPS battery maintenance.
- Determination of capacity (Discharge test) (IEC 60896-11).
- Battery performance test in floating mode (IEC 60896-11).
- Thermography inspection
- Battery inter-cell and internal resistance.
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