
Chapter 2 Installation | 29 |
2.5 Parallel Connection Of Cabinets
In order to prolong the backup time of battery, the battery capacity should be increased. Another cabinet can be connected in parallel with the DC power system cabinet. The expanded cabinet has no rectifier shelf and
Main cabinet | Extension cabinet |
BCU
Batteries
Figure 2-19 Parallel connection of DC power system cabinet with battery cabinet
DC/Parallel connections
The DC cables are connected to the output of the rectifier shelf in the MFU.
Up to two Battery Connection Units (BCUs) can be connected in the DC Power System – up to one BCU in the main cabinet and up to one BCU in an extension battery cabinet.
SCU can display the alarm signals from these two BCUs.
The user can connect the MFU to an additional extension MFU (only for additional load circuit breakers) through suitably rated cables.
ACTURA Flex 48330 Power System User Manual