graph LR
subgraph "光伏MPPT升压级"
A[光伏输入200-500VDC] --> B[输入滤波器]
B --> C[升压电感]
C --> D[开关节点]
D --> E["VBE16R07SFD \n 600V/7A"]
E --> F[高压母线500-800VDC]
G[MPPT控制器] --> H[栅极驱动器]
H --> E
F -->|电压反馈| G
I[电流采样] --> G
end
subgraph "电池双向Buck-Boost级"
J[电池簇200-400VDC] --> K[双向电感]
K --> L[双向开关节点]
subgraph "双向开关管"
M["VBE16R07SFD \n 充电模式"]
N["VBE16R07SFD \n 放电模式"]
end
L --> M
L --> N
M --> F
N --> F
O[双向控制器] --> P[栅极驱动器]
P --> M
P --> N
F -->|母线电压| O
J -->|电池电压| O
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style M fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style N fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
三相逆变并网拓扑详图
graph TB
subgraph "U相全桥"
A[高压直流母线] --> B["VBN1302 \n 上桥臂"]
B --> C[U相输出]
D["VBN1302 \n 下桥臂"] --> E[直流地]
C --> D
end
subgraph "V相全桥"
F[高压直流母线] --> G["VBN1302 \n 上桥臂"]
G --> H[V相输出]
I["VBN1302 \n 下桥臂"] --> E
H --> I
end
subgraph "W相全桥"
J[高压直流母线] --> K["VBN1302 \n 上桥臂"]
K --> L[W相输出]
M["VBN1302 \n 下桥臂"] --> E
L --> M
end
C --> N[LCL滤波器]
H --> N
L --> N
N --> O[电网连接400VAC]
subgraph "驱动与控制"
P[逆变控制器] --> Q[SVPWM生成]
Q --> R[栅极驱动器]
R --> B
R --> D
R --> G
R --> I
R --> K
R --> M
S[电流采样] --> P
T[电压采样] --> P
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style G fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助电源与智能管理拓扑详图
graph LR
subgraph "辅助电源系统"
A[高压直流母线] --> B[DC/DC变换器]
B --> C[12V辅助电源]
C --> D[5V数字电源]
C --> E[±15V模拟电源]
end
subgraph "智能负载开关通道"
F[MCU GPIO] --> G[电平转换]
G --> H["VBA4309输入"]
subgraph H ["VBA4309 双P-MOS"]
direction LR
IN1[栅极1]
IN2[栅极2]
S1[源极1]
S2[源极2]
D1[漏极1]
D2[漏极2]
end
C --> D1
C --> D2
S1 --> I[预充电电阻]
S2 --> J[辅助负载]
I --> K[电池正极]
J --> L[系统地]
end
subgraph "安全隔离控制"
M[故障信号] --> N[隔离光耦]
N --> O["VBA4309隔离开关"]
P[12V电源1] --> O
Q[12V电源2] --> R[隔离负载]
O --> R
end
subgraph "通信接口"
S[MCU] --> T[CAN收发器]
S --> U[RS485收发器]
S --> V[以太网PHY]
T --> W[BMS]
U --> X[电网调度]
V --> Y[云平台]
end
style H fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style O fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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