graph LR
subgraph "三相整流與濾波"
A[三相380VAC] --> B[EMI濾波器]
B --> C[三相整流橋]
C --> D[高壓直流母線]
D --> E[預充電控制]
end
subgraph "母線穩壓與預充"
E --> F[限流電阻]
F --> G[預充開關節點]
G --> H["VBL165R20S \n 預充主開關"]
H --> I[直流母線電容]
I --> J[穩定直流母線]
K[穩壓控制器] --> L[驅動電路]
L --> H
M[母線電壓採樣] --> K
end
subgraph "保護電路"
N["RC緩衝網路"] --> H
O[母線過壓檢測] --> P[保護鎖存]
P --> Q[關斷信號]
Q --> H
end
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
三相逆變橋與驅動拓撲詳圖
graph TB
subgraph "U相橋臂詳細拓撲"
A[穩定直流母線+] --> B["VBP1302N \n 上管"]
B --> C[U相輸出]
C --> D["VBP1302N \n 下管"]
D --> E[功率地]
F[隔離驅動晶片1] --> G[上管驅動]
F --> H[下管驅動]
G --> B
H --> D
I[電流感測器] --> J[信號調理]
J --> K[控制MCU]
end
subgraph "V相橋臂詳細拓撲"
L[穩定直流母線+] --> M["VBP1302N \n 上管"]
M --> N[V相輸出]
N --> O["VBP1302N \n 下管"]
O --> P[功率地]
Q[隔離驅動晶片2] --> R[上管驅動]
Q --> S[下管驅動]
R --> M
S --> O
T[電流感測器] --> U[信號調理]
U --> K
end
subgraph "保護網路"
V[母線電容陣列] --> A
V --> L
W["RCD吸收網路"] --> B
W --> M
X[死區時間控制] --> F
X --> Q
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
動態制動與輔助電源管理拓撲詳圖
graph LR
subgraph "動態制動能量管理"
A[直流母線電壓] --> B[電壓採樣]
B --> C[過壓比較器]
C --> D[快速觸發]
D --> E[制動控制信號]
E --> F["VBI3328 \n 通道1"]
F --> G[制動電阻]
G --> H[功率地]
I[能量回饋檢測] --> J[MCU演算法]
J --> K[智能制動]
K --> E
end
subgraph "多路輔助電源管理"
L[12V輔助電源] --> M["VBI3328 \n 通道2"]
M --> N[散熱風扇]
N --> O[地]
P[24V感測器電源] --> Q["VBI3328 \n 通道3"]
Q --> R[位置感測器]
R --> S[地]
T[5V邏輯電源] --> U["VBI3328 \n 通道4"]
U --> V[通信模組]
V --> W[地]
X[MCU GPIO] --> Y[電平轉換]
Y --> M
Y --> Q
Y --> U
end
subgraph "保護與監控"
Z[溫度監控] --> AA[熱管理]
AA --> AB[風扇PWM]
AB --> N
AC[電流檢測] --> AD[過流保護]
AD --> AE[關斷控制]
AE --> F
AE --> M
end
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style M fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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