Battery Mode - Powerware Plus 80 Operation

Battery Mode

The UPS transfers to Battery mode automatically if a
utility power does not conform to specified parameters. In Battery mode, the battery
provides emergency DC power, which the inverter
switches to Battery mode, its alarm indications depend on the cause and on the battery
charge state. The length of time the system can operate in Battery mode depends on
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loading and the battery supply capacity.
Figure 5 shows the path of electrical power through the UPS system when it is operating in
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When the diiarging battery voltage reaches
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a "Shutdown Imminm warning occurs. The warning time
is approximatefy
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tf incoming power rehrms
Normal mode and alarm indications dear. However, the process of returning to
mode is not instantaneous. The
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incoming utility until Normal
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K4
to Bypass mode f it is available. If Bypass input is not available.
1 minute, depending on battery capa&ty
to within specified parameters, the UPS automaticaffy
gradually draws increasing power from the
mode is achieved.
converts to AC power. When the UPS
the lower limit of UPS operation capability,
and the amount of loading.
returns to