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Modulon DPH Series
3.2.9 Battery Mode_ Dual Input_ Parallel Units
If the main AC source is abnormal, for example, when unstable voltage or a power outage
occurs, all parallel UPSs will automatically transfer from On-Line mode to Battery mode.
During the conversion process, output voltage remains the same. During Battery mode
(parallel), each UPS’s tri-color LED illuminates yellow and each UPS’s LCD shows the
text '
Battery
' in the upper right corner. Please refer to
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for the path of electrical
power through the parallel UPSs in Battery mode.
MAIN
LOAD
MAIN
1
2
BYPA.
BYPA.
Q1
Q2
Q4
Q3
Batteries
Rectifier
Inverter
Static Switch
Q1
Q2
Q4
Q3
Batteries
Rectifier
Inverter
Static Switch
Q5
Q5
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Содержание DPH-600K
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