4
1 Introduction
The UPS is an on-line uninterruptible power supply device incorporating
double-converter technology with single-phase input and single-phase output.
It offers the high quality power supply with the greatest degree of availability
and reliability. The 1-3kVA of UPS is compact and convenient for users,
especially for the basic equipments in some areas such as: finance,
communication, government, traffic, manufacture, education and so on.
2. 1 System Type and Configuration
There are two types of UPS according to the battery configuration: standard
type and long backup time type, each available in the following ratings: 1kVA,
2kVA and 3kVA UPS.
Table 2-1 UPS types and configurations
Type
Model
Remark
Standard
1K
With a 1A internal charger and 3 build-in batteries of
12V/ 7AH
2K
With a 1A internal charger and external battery slot.
3K
With a 1A internal charger and external battery slot.
Long Backup
Time
1KS/1KL
With a 5.5A internal charger and external battery slot.
2KS/2KL
With a 5.5A internal charger and external battery slot.
3KS/3KL
With a 5.5A internal charger and external battery slot.
Note:
“S/L” model means Long Backup Time
.
