APC GALAXY 7000 - Manual (Page 63)

Glossary >
34020846EN/AD - Page 63
2. Appendices
2.5 Glossary
Backup time Time that the connected loads can operate on battery power.
Bypass AC source Source supplying the bypass line. The load can be transferred to the bypass line if an overload
occurs on the UPS output, for maintenance or in the event of a malfunction.
Fin UPS input frequency (normal or bypass AC input).
Inverter UPS module that inputs DC power and outputs AC voltage and current.
Isc Short-circuit current.
Load Devices or equipment connected to the UPS output.
Normal (double
conversion) mode
The normal UPS operating mode. The AC source supplies the UPS which in turn supplies the
connected loads (after electronic double conversion).
Normal AC source Normal source of power for the UPS.
PE Protective conductor.
PEN Conductor serving as both a protective conductor and a neutral conductor.
PFC Sinusoidal input module used to eliminate the harmonics reinjected in the upstream source by
the UPS upstream.
Relay contacts Contacts supplying information to the user in the form of signals.
SSC Static-switch cabinet.
Uin UPS input voltage (normal or bypass AC input).
Uout UPS output voltage.
UPS Uninterruptible Power System.