Gtec NS3000 Series, User Manual

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NS3000 UPS 60KVA~120KVA User Manual
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2. Product Introduction
2.1 System Configuration
The Tower UPS is configured by the following part: Power modules, Bypass &
Monitoring module, and cabinet with manual Bypass switch. One or several
battery strings should be installed to provide backup energy once the utility fails.
The UPS structure is shown in Fig. 2-1.
Fig. 2-1 UPS Configuration
2.2 Power Module
The power module structure is shown as Fig.2-2. The power module contains
a rectifier, an inverter, and a DC/DC converter for charge and discharge of the
external batteries.
Fig 2-2 Power module structure
2.3 Operation Mode
The Modular UPS is an on-line, double-conversion UPS that permits operation
in the following modes:

Normal mode

Battery mode

Bypass mode

Maintenance mode (manual bypass)

ECO mode

Auto-restart mode

Frequency Converter mode