82
H I PE RG UA R D M V U PS
US ER M A N UA L
The energy storage autonomy definition is an essential part of the system design. Depending on the load condi-
tions, the time which the MV UPS can support the load when operating on Independent mode can be extended (in
case of the load is lower than the projected load) or reduced (when operating under overload condition).
The MV UPS continually monitors the state of charge of the batteries. In case of extended power outages, before
the complete depletion the energy storage, at the end of the autonomy time, the MV UPS will switch to the bypass
mode.
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8.8 Energy storage depleted
Step User Action
System Response
1
Energy storage depleted.
2
Commands to close Sabp. MV UPS waits in the
previous state until Sabp closes.
3
When Sabp is closed then the MV UPS opens
Sout and Sin. MV UPS stops the PEBBs and re-
verts to bypass mode.
—
Table 8.09: System
reaction to depleted
energy storage.
Summary of Contents for HiPerGuard MV UPS
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