24
7. OPERATION MODES OF THE UPS
7.1 UPS System Block Diagram
7.2 Normal Operation
There are two main loops when AC utility is normal: the AC loop and the
battery charging loop. The AC output power comes from AC utility input and
passes through AC/DC rectifier, DC/AC inverter and static switch to support
power to load. The battery charging voltage comes from AC utility input and
converted by AC/DC charger to support battery-charging power.
25
7.3 AC Utility Failure
The AC output comes from battery, passing through DC/AC inverter and
static switch within the battery backup time.
7.4 Bypass Enable
Under the following conditions, the bypass will be enabled:
1.Overload.
2.Inverter failure.
3.Over-temperature
4.DC BUS fail
Summary of Contents for RP-UPH
Page 5: ...8 2KVA 3KVA Tower Case 9 1KVA 2KVA 3KVA Rack Mount Case...
Page 17: ...32...