Battery String And Dc Load Connections - ABB CPS6000-Systems-48V DC Power Installation Manual

Number of Conduits
1 per 4-slot rectifier shelf
1 per 6-slot rectifier shelf

Battery String and DC Load Connections

The system has up to 52 bullet-style distribution positions. All positions in the initial distribution
panel are selectable between either battery inputs or load outputs. If the system is equipped with a
low voltage load disconnect LVLD, then all load positions are connected to the system through the
LVLD. If the system is equipped with a low voltage battery disconnect LVBD, then all battery positions
are connected to the system through the LVBD. Breaker sizes up to 250A, TPS fuses to 70A and GMT
fuses to 12A are available bullet modules for this system. DC Connections are made with double hole
lugs on ¼-20 studs on 5/8" centers. The maximum tongue width for breaker connections is 0.68".
Adapter buses are available for larger cables. Notice the color coding in the distribution. Bus bars with
brown labeling are returns. Bus Bar with blue labeling are -48V. Labels are provided to identify battery
verses load positions on the ID label on the front door. The initial distribution panel with the controller
is rated for 600A. The supplemental (upper) panel is rated for 300A. Load distribution in system
accordingly.
Note: Yellow handle or black handle Bullet-style circuit breakers can be mounted as load or battery
connectors.
Yellow handle circuit breakers
Black handle circuit breakers
Page 17
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Number of Rectifiers
Conduit Size
¾ inch
1 inch
Table 3: AC Wire and Protectors for 50A rectifiers
Send alarm in manual off or trip position; mid-trip breakers
Send alarm only in tripped position
Figure 6: Selectable DC Distribution
CP:S6000_External Distribution_IG
Min External
per ac
ac feed Breaker
20A
40A
20A
40A
60A
Number of Wires
in
Wire Gage
Conduit
10
10 13
Rev. 1.3