DPD-9E2305
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10 Glossary
Backup time
Time during which the load can be supplied by the UPS operating on
battery power.
Low-battery warning
This is a battery-voltage level indicating that battery power is low and that the user
must take action before the UPS shuts down.
Load
Devices or equipment connected to the UPS output.
Normal mode(double
conversion)
The normal UPS operating mode in which the AC source supplies the UPS which, in
turn, provides AC power to the connected loads. (after electronic double
conversion).
Normal AC source
Normal source of power for the UPS.
OVL
Overload. When the load exceeds 100% of the maximum load of the UPS.
UPS
Uninterruptible Power System.
Bypass AC source
Source supplying the bypass line. The equipment can be transferred to the by-pass
line if an overload occurs on the UPS output, for maintenance or in the event of a
malfunction.
EBM
Extended Battery Module
Frequency converter
Operating mode used to convert the AC power frequency between the UPS
input and output (50Hz -> 60Hz or 60Hz -> 50Hz).
HE Mode
Operating mode by which the load is supplied directly by the AC source if it is
within the tolerances defined by the user. This mode reduces the consumption of
electrical power.
