Specifications

Galaxy 5000 technical specifications
MGE UPS SYSTEMS SPTC5 500 UK – 09/2005 page
12
(excessive discharge) when the percent load is low. This is because when loads are low, the backup time can
be very long and result in battery damage without the protection system stepping in.
Digibat
Calculation
Software
Voltage
Backup time
Battery
shutdown
warning
Service life
Current
Temperature
Battery
parameters
Percent
load
Fig. 7. Digibat.
B1000 or Cellwatch for battery monitoring block by block
Galaxy 5000 can be equipped with the B1000 or the Cellwatch battery-monitoring systems that monitor each
battery string around the clock and predict the risk of failure block by block.
 Continuous measurement of the voltage of each block.
 Continuous measurement of the internal resistance (Cellwatch only).
 Identification of faulty blocks (trend curves).
 Possibility of replacing individual blocks.
 Remoting of all information via Ethernet, dry contacts or JBus.
These options ensure battery availability and maximise its service life.
Fig. 8. B1000 for battery monitoring block by block.
Other characteristics
For backup times, weights, charge times and input currents, see the tables on pages 24 and 25.
2.5 Inverter with sixpack IGBT modules
Operating principle
The inverter produces a high-quality output voltage, without outages, using the AC source voltage, converted
to DC by the rectifier, or battery power if the AC source has failed or is outside tolerances. The three-phase