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4200FA XT1
September 6, 2004
2
(50 kVA XT)
1.0 SCOPE
1.1 System
This specification describes a continuous duty, three-phase, on-line, solid-
state uninterruptible power supply system, hereafter referred to as the
UPS.
2.0 SYSTEM DESCRIPTION
2.1 Applicable Standards
The UPS shall be designed in accordance with and be compliant with the
following sections of the current revisions of the following standards:
ANSI C62.41 (IEEE 587) – Standard for Surge Withstandability
UL 1778 (CUL)
National Electrical Code (NFPA-70)
NEMA PE-1
OSHA
ASME
ISO 9001, 14001
2.2 Components
The UPS shall consist of the following components:
A. Converter
B. Chopper / Charger
C. Pulse-Width Modulated (PWM) Inverter
D. Static Switch Bypass
E. Microprocessor Controlled Logic and Control Panel
F. Input Circuit Breaker
G. Battery System