graph LR
subgraph "BOOST升壓電路"
A["光伏輸入 \n 200-600VDC"] --> B["輸入電容"]
B --> C["升壓電感"]
C --> D["升壓開關節點"]
D --> E["VBL16R31SFD \n 600V/31A MOSFET"]
E --> F["功率地"]
A --> G["續流二極體"]
G --> H["高壓直流母線 \n 600-800VDC"]
D --> H
end
subgraph "MPPT控制回路"
I["MPPT控制器"] --> J["PWM發生器"]
J --> K["柵極驅動器"]
K --> E
L["電壓檢測"] --> I
M["電流檢測"] --> I
N["溫度檢測"] --> I
end
subgraph "保護電路"
O["輸入過壓保護"] --> A
P["輸出過壓保護"] --> H
Q["過流保護"] --> M
R["RC吸收電路"] --> E
end
style E fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style I fill:#fce4ec,stroke:#e91e63,stroke-width:2px
DC-AC全橋逆變電路拓撲詳圖
graph TB
subgraph "H橋逆變器"
A["高壓直流母線"] --> B["上橋臂開關節點"]
A --> C["下橋臂開關節點"]
subgraph "上橋臂器件"
Q1["VBPB16I60 \n 650V/60A IGBT"]
Q2["VBPB16I60 \n 650V/60A IGBT"]
end
subgraph "下橋臂器件"
Q3["VBPB16I60 \n 650V/60A IGBT"]
Q4["VBPB16I60 \n 650V/60A IGBT"]
end
B --> Q1
B --> Q2
Q1 --> D["交流輸出A相"]
Q2 --> E["交流輸出B相"]
Q3 --> F["逆變地"]
Q4 --> F
C --> Q3
C --> Q4
D --> G["輸出濾波電感"]
E --> H["輸出濾波電感"]
G --> I["濾波電容"]
H --> I
I --> J["電網連接"]
end
subgraph "驅動與保護"
K["逆變控制器"] --> L["PWM信號發生器"]
L --> M["上橋驅動器 \n (隔離型)"]
L --> N["下橋驅動器"]
M --> Q1
M --> Q2
N --> Q3
N --> Q4
O["直流電壓檢測"] --> K
P["交流電流檢測"] --> K
Q["溫度檢測"] --> K
R["RC吸收網路"] --> Q1
R --> Q2
S["TVS保護"] --> M
S --> N
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q3 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style K fill:#fce4ec,stroke:#e91e63,stroke-width:2px
輔助電源與信號管理拓撲詳圖
graph LR
subgraph "輔助開關電源"
A["高壓直流輸入"] --> B["反激/正激變壓器 \n 初級"]
B --> C["VBA5206 \n N-MOSFET開關"]
C --> D["功率地"]
E["PWM控制器"] --> F["驅動器"]
F --> C
G["變壓器次級"] --> H["整流濾波"]
H --> I["12V輔助電源"]
I --> J["5V穩壓器"]
J --> K["3.3V穩壓器"]
end
subgraph "信號電平轉換"
L["MCU GPIO \n 3.3V電平"] --> M["電平轉換電路"]
M --> N["VBA5206 \n 互補MOS對"]
subgraph N["VBA5206 內部結構"]
direction LR
N_CHANNEL[N溝道MOS]
P_CHANNEL[P溝道MOS]
end
O["12V電源"] --> P_CHANNEL
N_CHANNEL --> Q["功率地"]
P_CHANNEL --> R["12V輸出信號"]
end
subgraph "驅動信號管理"
S["隔離驅動電源"] --> T["推挽電路"]
T --> U["VBA5206 \n 功率級"]
U --> V["驅動信號輸出"]
W["死區時間控制"] --> T
end
style C fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style N fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style U fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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