graph TB
subgraph "光伏MPPT升压电路"
A["光伏阵列 \n 200-500VDC"] --> B["输入滤波电容"]
B --> C["升压电感"]
C --> D["开关节点"]
D --> E["VBFB175R04 \n 750V/4A"]
E --> F["高压母线电容 \n 400VDC"]
F --> G["高压直流母线"]
H["升压二极管"] --> F
D --> H
end
subgraph "MPPT控制与保护"
I["MPPT控制器"] --> J["PWM驱动器"]
J --> E
A -->|电压采样| K["电压检测电路"]
A -->|电流采样| L["电流检测电路"]
K --> I
L --> I
G -->|母线电压反馈| I
M["RCD缓冲网络"] --> E
N["电压尖峰防护"] --> E
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
电池双向DC-DC变换拓扑详图
graph LR
subgraph "双向Buck-Boost拓扑"
A["高压母线 \n 400VDC"] --> B["母线侧电容"]
B --> C["开关节点1"]
C --> D["VBE1806 \n 80V/75A \n 5mΩ"]
D --> E["电感"]
E --> F["开关节点2"]
F --> G["VBE1806 \n 80V/75A \n 5mΩ"]
G --> H["电池侧电容 \n 48VDC"]
H --> I["电池组"]
end
subgraph "双向控制逻辑"
J["双向控制器"] --> K["Buck模式驱动"]
J --> L["Boost模式驱动"]
subgraph "充电模式(Buck)"
direction TB
K --> D
end
subgraph "放电模式(Boost)"
direction TB
L --> G
end
I -->|电池电压| M["BMS接口"]
I -->|电池电流| N["电流检测"]
I -->|电池温度| O["温度检测"]
M --> J
N --> J
O --> J
A -->|母线电压| P["电压检测"]
P --> J
end
subgraph "保护电路"
Q["过流保护"] --> R["快速关断"]
R --> D
R --> G
S["短路保护"] --> T["故障锁存"]
T --> J
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
离网逆变输出拓扑详图
graph TB
subgraph "全桥逆变拓扑"
A["高压直流母线 \n 400VDC"] --> B["母线电容"]
B --> C["上桥臂左"]
C --> D["VBMB16R15SFD \n 600V/15A"]
D --> E["输出节点L"]
B --> F["上桥臂右"]
F --> G["VBMB16R15SFD \n 600V/15A"]
G --> H["输出节点R"]
E --> I["下桥臂左"]
I --> J["VBMB16R15SFD \n 600V/15A"]
J --> K["直流地"]
H --> L["下桥臂右"]
L --> M["VBMB16R15SFD \n 600V/15A"]
M --> K
end
subgraph "SPWM控制与滤波"
N["SPWM控制器"] --> O["上桥驱动"]
N --> P["下桥驱动"]
O --> D
O --> G
P --> J
P --> M
E --> Q["LC滤波器"]
H --> Q
Q --> R["交流输出 \n 220V/50Hz"]
R --> S["负载"]
end
subgraph "输出保护与监测"
T["输出过流保护"] --> U["驱动关断"]
U --> O
U --> P
V["输出电压检测"] --> N
W["输出电流检测"] --> N
X["RC吸收电路"] --> E
X --> H
Y["死区时间控制"] --> N
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
热管理与能量调度拓扑详图
graph LR
subgraph "三级热管理系统"
A["一级热源"] --> B["VBE1806双向MOSFET"]
C["二级热源"] --> D["VBMB16R15SFD逆变MOSFET"]
E["三级热源"] --> F["VBFB175R04光伏MOSFET"]
subgraph "冷却策略"
G["强制风冷散热器"] --> B
H["自然对流散热片"] --> D
I["PCB敷铜散热"] --> F
end
J["温度传感器阵列"] --> K["热管理控制器"]
K --> L["风扇PWM调节"]
K --> M["功率降额策略"]
L --> N["冷却风扇组"]
M --> B
M --> D
M --> F
end
subgraph "智能能量路由"
O["能量管理单元"] --> P["光伏优先策略"]
O --> Q["电池优化策略"]
O --> R["负载调度策略"]
P --> S["MPPT控制权重"]
Q --> T["充放电功率限值"]
R --> U["负载优先级管理"]
U --> V["关键负载通道"]
U --> W["非关键负载通道"]
V --> X["不间断供电"]
W --> Y["可中断供电"]
end
subgraph "系统健康监测"
Z["电压电流检测"] --> AA["故障诊断"]
AB["温度检测"] --> AA
AC["效率计算"] --> AA
AA --> AD["预警系统"]
AA --> AE["维护提示"]
AD --> AF["本地报警"]
AD --> AG["远程通知"]
end
style B fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBFB175R04规格书
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