
UPS SYSTEM BLOCK DIAGRAM
AC INPUT
EMI FILTER
SAFETY
RELAY
AC/DC PFC
CONVERTER
DC/AC
INVERTER
BYPASS
RELAY
BATTERY
CHARGER
DC/DC
PUSH PULL
BATTERY
EMI FILTER
AC OUTPUT
Figure 4.1
Figure 4.1 illustrates the True On-Line Double Conversion architecture of the UPS system. The major mod-
ules consist of:
1. An AC-to-DC power converter (rectifier) with PFC control circuit
2. A DC-to-AC high frequency inverter
3. An intelligent battery charger
4. A bank of stationary, maintenance-free batteries
5. A DC-to-DC push/pull converter control circuit
6. A static bypass loop
7. Input and output EMI filters
Note: Informational purposes only ,the actual configuration depend on each model.
ARES UPS User Manual
17
EN
Summary of Contents for ARES
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