Delta Ultron DPM Series, Руководство пользователя, Страница: 52 / 264

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Ultron DPM series
3.2 Dual Input
3.2.1 On-Line Mode_ Dual Input_ Single Unit
In On-Line mode, the main AC source supplies AC power via the external maintenance
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to DC power and supplies the DC power to the inverter. In the meantime, the rectifier
provides charging power to the batteries. After receiving the DC power, the inverter
converts it into clean and stable AC power to the connected critical loads via the external
maintenance bypass cabinet’s Output Breaker (Q4). Please refer to
Figure 3-13 . During
On-Line mode, the UPS’s tri-color LED illuminates green and the text ' AC ' appears in the
lower right corner of the screen.
BYPA.
Q2
MAIN LOAD
Power Module 1
Power Module 2
Power Module...
Q1
Inverter
Converter
Rectifier
Static Switch
Static Switch
Q5
(OFF)
(ON)
Q3
Q4
(Figure 3-13: On-Line Mode Diagram_ Dual Input Single Unit)