Toshiba T42F3F500XAMBN User Manual - Page 40
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TOSHIBA 6.4 Battery Backup Mode The following illustration shows power flow during the battery backup mode. When commercial AC power failures occur, the batteries instantly begin supplying DC voltage to the main inverter circuit. This circuit inverts (hence; Inverter) the DC power into AC power. The AC power is available at the output. This back-up process will continue until the battery voltage drops below a specific minimum level. When this occurs, the batteries will stop supplying power to the load. This minimum level is the rated minimum voltage (V min). MBS Isolating XFMR MCCB Bypass Converter Inverter Charger/ Chopper External Batteries Power flow in battery backup mode Output Power 4200FA CT/XT User's Manual 39
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TOSHIBA
6.4
Battery Backup Mode
The following illustration shows power flow during the battery backup mode. When
commercial AC power failures occur, the batteries instantly begin supplying DC voltage to
the main inverter circuit. This circuit inverts (hence; Inverter) the DC power into AC power.
The AC power is available at the output. This back-up process will continue until the
battery voltage drops below a specific minimum level. When this occurs, the batteries will
stop supplying power to the load. This minimum level is the rated minimum voltage (V min).
Power flow in battery backup mode
Converter
Inverter
Bypass
Charger/
Chopper
Isolating
XFMR
External
Batteries
Output
Power
MCCB
MBS
4200FA CT/XT User’s Manual
39