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Copyright © Vestwoods Technology Co., Ltd. 13
Figure 9. VEH204100C battery cluster composition diagram
3.2.4 High-Voltage Box
The high-voltage box is used to control and protect the DC connection or disconnection of the battery
cluster and communicate with the inverter.
If there are multiple battery cabinets in parallel, the appearance of the master and slave high-voltage
boxes is the same, but the functions are different. There is a PCU inside the master high-voltage box, and
there is no PCU inside the slave high-voltage box.
3.2.4.1 Appearance
The appearance of the high-voltage box is shown as follows.
Figure 10. High-voltage box appearance
The high-voltage box's three views are shown as follows.
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