Requirements - spec30210011

DOE-SPEC-3021-97

document, however, supersedes applicable laws and regulations unless a specified exemption

has been obtained.

3.1.1

General. The UPS system will supply power to an ac bus that supplies loads,

such as computers, controls, fire protection, alarms, communication equipment,

and recorders, that cannot tolerate even a momentary loss of ac power. The

UPS system shall have the following characteristics:

UPS Inverter Continuous Output Rating @

1.0 to 0.8 power factor (pf) lagging at

kVA

site maximum ambient and site elevation

Output AC Voltage

Output Phase/Wire

Ground

[S-Solid] [U-Ungrd'd]

Bypass Transformer Reqd.

[Yes] [No]

Constant Voltage Regulating

Bypass Transformer Reqd.

[Yes] [No]

UPS Module Efficiency:

LOAD

MINIMUM

(% of

EFFICIENCY

normal)

100

ATTENTION:

Enter the number of years of required design life below.

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Design life. The design life shall be [

] years.

ATTENTION:

Enter the required mean time between failures (MTBF) below.

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3.1.3

Mean time between failures (MTBF). The design MTBF shall be [

] hours