graph LR
subgraph "三相整流与PFC"
A[三相400VAC输入] --> B[EMI滤波器]
B --> C[三相整流桥]
C --> D[直流母线]
D --> E[PFC电感]
E --> F[PFC开关节点]
F --> G["VBP17R06 \n 700V/6A"]
G --> H[高压直流母线]
I[PFC控制器] --> J[栅极驱动器]
J --> G
H -->|电压反馈| I
end
subgraph "母线稳压与保护"
H --> K[母线电容组]
K --> L[稳定直流母线]
M[电压检测] --> N[过压保护]
N --> O[关断信号]
O --> J
P[浪涌抑制] --> G
Q[温度监测] --> I
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
三相逆变桥拓扑详图
graph TB
subgraph "U相桥臂"
A[直流母线正极] --> B["VBMB1302 \n 上管"]
B --> C[U相输出]
C --> D["VBMB1302 \n 下管"]
D --> E[直流母线负极]
F[U相驱动] --> B
F --> D
end
subgraph "V相桥臂"
G[直流母线正极] --> H["VBMB1302 \n 上管"]
H --> I[V相输出]
I --> J["VBMB1302 \n 下管"]
J --> K[直流母线负极]
L[V相驱动] --> H
L --> J
end
subgraph "W相桥臂"
M[直流母线正极] --> N["VBMB1302 \n 上管"]
N --> O[W相输出]
O --> P["VBMB1302 \n 下管"]
P --> Q[直流母线负极]
R[W相驱动] --> N
R --> P
end
subgraph "控制与保护"
S[MCU] --> T[SVPWM算法]
T --> F
T --> L
T --> R
U[电流采样] --> V[过流保护]
V --> W[故障关断]
W --> F
W --> L
W --> R
X[温度监测] --> Y[过热保护]
Y --> W
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
动态制动管理拓扑详图
graph LR
subgraph "制动控制回路"
A[直流母线] --> B[制动开关节点]
B --> C["VBL2157N \n -150V/-40A"]
C --> D[制动电阻]
D --> E[地]
F[电压检测] --> G[比较器]
G --> H[制动控制器]
H --> I[P沟道驱动器]
I --> C
end
subgraph "保护电路"
J[电压尖峰抑制] --> C
K[电流限制] --> D
L[温度监测] --> M[过热保护]
M --> H
end
subgraph "能量泄放路径"
N[再生能量] --> O[母线电压上升]
O --> F
P[快速泄放] --> D
Q[热能散发] --> R[散热器]
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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