Definitions - Toshiba G9000 Series Installation And Operation Manual

3.1

DEFINITIONS

UNINTERRUPTIBLE POWER SUPPLY SYSTEM (UPS) – All components within the UPS Module 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 MODULE CABINET – The metal enclosure which contains the Converter / Charger, Inverter, Static Transfer
Switch, Internal Bypass line, operator controls, and internal control systems required to provide specified AC power to
a load.
UPS MODULE – The Converter / Charger and Inverter assemblies which, under the direction of the internal control
system and operator controls, provide specified AC power to a load.
INVERTER – The UPS components which contain the equipment and controls necessary to convert DC power from
the Converter / Charger, or the battery, to AC power required by the critical load.
CONVERTER / CHARGER – The UPS components which contain the equipment and controls necessary to convert
input AC power to regulated DC power required for battery charging and for supplying power to the Inverter.
STATIC TRANSFER SWITCH – The device which connects the critical load to the bypass line when the Inverter
cannot supply continuous power.
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.
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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G9000 Series UPS 300-750kVA Installation and Operation Manual – 61480-017