MITSUBISHI ELECTRIC 9900CX SERIES UPS
9900CX SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
1-7
1.3 DEFINITIONS
UNINTERRUPTIBLE POWER SUPPLY SYSTEM (UPS)
- All components within the UPS
Cabinet and associated batteries that function as a system to provide continuous, conditioned
AC power to a load. This is sometimes referred to as the "System".
UPS CABINET
– The metal enclosure which is the main part of UPS and composed of the
Bypass module, the 3
～
6 UPS modules, and the Cable Entry Section.
LINK CABINET
– The metal enclosure in which buses from UPS are connected.
UPS MODULE
- The metal enclosure which contains the Converter / Inverter, Charger, and
internal control systems required to provide specified AC power to a load.
CONVERTER / INVERTER
- The UPS components which contain the equipment and controls
necessary to convert input AC power to output AC power required by the critical load.
CHARGER
- The UPS components which contain the equipment and controls necessary to
regulate DC power required for battery charging and for supplying power to the Inverter.
BYPASS MODULE
- The metal enclosure which contains the Bypass line, the Static transfer switch,
UPS operator controls, and internal control systems.
BYPASS LINE
- The line which conducts electricity directly from the input power source to the
critical load during Maintenance or whenever the UPS is not completely operational.
STATIC TRANSFER SWITCH
- The device which connects the critical load to the bypass line
when the Inverter cannot supply continuous power.
AC INPUT POWER
- Power provided by the electrical utility company, or auxiliary generator,
which is connected to the UPS for supplying the critical load.
BATTERY -
The rechargeable battery strings which supply DC power to the inverter to maintain
continuous AC power to the load during AC input power failure conditions.
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