Liebert Trinergy™ Cube
OPERATING MODES
Page 8
User Manual - 10H52243UM60 - rev. 6 - 12/2020
Dynamic Online - High Efficiency & Power Conditioning mode (IEC 62040-3 VI):
This mode compensates for output load THDi, output load PF.
It reduces line power disturbances such as sags and swells. The load is fed by the bypass line, and the
inverter works as an active filter, which compensates for the reactive power required by the load. In a
typical condition, this mode offers 96.5 - 98.5% CORE efficiency, depending on the type of load (e.g. non-
linear or linear) and the condition of input line power (see Fig. 3 - on page 8).
Figure 3 - Dynamic Online - High Efficiency & Power Conditioning (VI)
Battery operation
In this operating mode, the connected load is supplied from the batteries via the inverter. In the event of
a power failure, battery operation is automatically activated and supplies the loads without interruption.
If the power failure lasts longer than 30 s, the UPS signals a fault condition.
From this operating mode, the UPS automatically returns to VFI operation within the backup time after
line power returns. If the duration of the power failure is longer than battery capacity under current load,
the UPS provides the relative information via its interfaces. Computers can be automatically powered
down with additional software (optional, see Fig. 4 - on page 8).
Figure 4 - Power flow during battery operation
