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26 Chapter 2 Installation
ACTURA Flex 48330 Power System User Manual
Battery Connection Unit(BCU)
Battery Shelf
Battery(4 in a string)
Figure 2-15 Cabinet with four battery strings installed
Note
To satisfy the safety requirement of the whole equipment, the fire-retardant class of the
battery materials should not be lower than V-2.
Insure that the charge/discharge current of single battery group is not bigger than 100A, and
the total charge/discharge current of the all battery groups are not bigger than 200A.
2.4.2 Battery Cable Connection
The battery connection for the cabinet with standard configuration is different from
that of the cabinet with non-standard configuration.
Standard configuration
The DC Power System with standard configuration has no BCU. The system has
four battery strings. The negative battery cable is of blue color and the positive one
is of black color. There are two connection methods, one is for the cabinet of 600 %
400 % 700(mm), and another is for the cabinets of 600 % 400 % 2000(mm) and
600 % 600 % 2000(mm).
1) Batter Connection for Cabinet of 600 % 400 % 700(mm)
The four left-most circuit breakers in the MFU connect to the negative battery
cables (blue) respectively as shown in Figure 2-16. Another end of the negative