graph LR
subgraph "三相逆变桥与LCL滤波"
A["高压直流母线 \n 700-800VDC"] --> B["直流支撑电容"]
B --> C["三相逆变桥"]
subgraph C["三相逆变桥"]
direction LR
U_PHASE["U相桥臂"]
V_PHASE["V相桥臂"]
W_PHASE["W相桥臂"]
end
U_PHASE --> D["VBPB19R11S \n 900V/11A"]
V_PHASE --> E["VBPB19R11S \n 900V/11A"]
W_PHASE --> F["VBPB19R11S \n 900V/11A"]
D --> G["LCL滤波器"]
E --> G
F --> G
G --> H["电网连接点 \n 400VAC/50Hz"]
end
subgraph "控制与保护电路"
I["并网逆变控制器"] --> J["三相栅极驱动器"]
J --> D
J --> E
J --> F
K["锁相环(PLL)"] --> I
L["电流采样"] --> I
M["电压采样"] --> I
N["过流保护电路"] --> O["故障锁存"]
O --> P["快速关断信号"]
P --> J
end
subgraph "EMI与电网兼容"
Q["交流侧EMI滤波器"] --> H
R["防雷压敏电阻"] --> H
S["电网电压监测"] --> I
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
电池侧双向DC/DC变换器拓扑详图
graph TB
subgraph "双向升降压变换器"
A["电池组输入 \n 48V/96V"] --> B["输入滤波电容"]
B --> C["升降压电感"]
C --> D["开关节点"]
subgraph "主功率开关阵列"
Q_HIGH["VBL1101N \n 高压侧开关"]
Q_LOW["VBL1101N \n 低压侧开关"]
end
D --> Q_HIGH
D --> Q_LOW
Q_HIGH --> E["高压直流母线 \n 700-800VDC"]
Q_LOW --> F["电池侧地"]
G["双向DC/DC控制器"] --> H["栅极驱动器"]
H --> Q_HIGH
H --> Q_LOW
I["电流采样"] --> G
J["电压采样"] --> G
end
subgraph "保护与预充电路"
K["预充电阻"] --> L["预充接触器"]
M["主接触器"] --> A
N["防反接MOSFET"] --> A
O["电池侧π型滤波器"] --> A
P["过流保护"] --> G
end
subgraph "多相交错并联(扩展)"
Q["交错相1"] --> E
R["交错相2"] --> E
S["交错相3"] --> E
T["相位交错控制"] --> G
end
style Q_HIGH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_LOW fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
热管理与保护系统拓扑详图
graph LR
subgraph "三级散热系统设计"
A["一级散热: 并网逆变器"] --> B["铜基板+热管"]
B --> C["密封强制风道"]
C --> D["VBPB19R11S阵列 \n 目标壳温<80℃"]
E["二级散热: DC/DC变换器"] --> F["独立铝散热器"]
F --> G["主系统风道"]
G --> H["VBL1101N阵列 \n 温升<50K"]
I["三级散热: 控制电路"] --> J["2oz加厚PCB铜箔"]
J --> K["多排散热过孔阵列 \n 孔径0.4mm,间距1.2mm"]
K --> L["VBA1405阵列 \n 温升<30K"]
end
subgraph "温度监测与控制"
M["温度传感器网络"] --> N["NTC热敏电阻"]
N --> O["BMS/PCS控制器"]
O --> P["风扇PWM控制"]
O --> Q["加热器控制"]
P --> R["冷却风扇组"]
Q --> S["电池加热器"]
T["散热器温度点"] --> O
U["环境温度传感器"] --> O
end
subgraph "电气保护网络"
V["直流侧缓冲"] --> W["RC吸收网络"]
X["交流侧保护"] --> Y["TVS+压敏电阻阵列"]
Z["快速保护"] --> AA["硬件比较器"]
AA --> BB["FPGA快速关断"]
BB --> CC["栅极驱动禁能"]
DD["绝缘监测"] --> EE["IMD模块"]
EE --> O
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBL1101N规格书
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