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16
3.2.4.4 Technical Specifications
High-voltage box main technical specifications are shown as follows.
Table 9. High-voltage box main technical specifications
No. Items Specification Remark
1 Rated voltage 300 VDC
2 Rated current 100 A
3 Power supply
Dual power redundant power supply: battery module
power supply, inverter power supply
4 Power consumption
＜40 W
5 Communication type CAN*3
6 Cooling type Natural cooling
7 Total voltage sampling 0 V~600 V ±(0.5%FS+0.1%RD)
8 Total current sampling 1 A~200 A
9 Temperature sampling
NTC (-20℃～125℃) ±2℃
10 Insulation
0～5MΩ
11 Short circuit protect Yes, fuse
12 Isolation rate
500 VDC, the 60s, isolation resistance of more than
10 MΩ
13 Dielectric strength 1500 VAC, the 60s, No flashover, and breakthrough
14 Ambient temperature
0℃-45℃
Recommended
temperature: 25℃-35℃
15 Operation humidity 5%-95%RH and no condense
16 Size (Width*High*Depth) 640 mm×190 mm×350 mm
17 Weight 14.5 kg
3.3 Battery Management System
RESS adopts the battery management system (BMS) developed by Vestwoods, including the following
three-layer structural units:
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