SECTION VI
Glossary
Page 6.1
BP+2.9X
11/95
AC-
Alternating current (normally "AC").
AC POWER -
AC input to the UPS. Also identified as "UPS Input."
ALARM -
An abnormal condition within the UPS.
ALARM SIGNAL -
A loud piercing electronic tone signaling an alarm condition.
APPARENT POWER (kVA) -
The product of voltage and current. This is used to state the maximum rating of
power generating devices.
AUTO RETRANSFER -
A feature which allows the Static Bypass Switch to place the UPS back on line
without manual intervention.
CIRCUIT BREAKER PANEL -
That portion of the cabinet behind the right-hand door, containing the UPS Input
Circuit Breaker, Static Bypass Circuit Breaker, Bypass Circuit Breaker and Output
Circuit Breaker.
CURRENT LIMIT -
Electronically governing the maximum current output from the rectifier and/or the
inverter.
DC-
Direct current (normally "DC").
DC LINK-
DC voltage output of the rectifier and input to the inverter. Is maintained by a
battery bank during a power outage.
DIGITAL SIGNALPROCESSOR (DSP) -
The "brain" of the control logic system.. Receives and analyzes data, and provides
control and monitoring for the UPS.
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