graph LR
subgraph "三相逆變橋與LCL濾波"
A["高壓直流母線 \n 700-800VDC"] --> B["直流支撐電容"]
B --> C["三相逆變橋"]
subgraph C["三相逆變橋"]
direction LR
U_PHASE["U相橋臂"]
V_PHASE["V相橋臂"]
W_PHASE["W相橋臂"]
end
U_PHASE --> D["VBPB19R11S \n 900V/11A"]
V_PHASE --> E["VBPB19R11S \n 900V/11A"]
W_PHASE --> F["VBPB19R11S \n 900V/11A"]
D --> G["LCL濾波器"]
E --> G
F --> G
G --> H["電網連接點 \n 400VAC/50Hz"]
end
subgraph "控制與保護電路"
I["並網逆變控制器"] --> J["三相柵極驅動器"]
J --> D
J --> E
J --> F
K["鎖相環(PLL)"] --> I
L["電流採樣"] --> I
M["電壓採樣"] --> I
N["過流保護電路"] --> O["故障鎖存"]
O --> P["快速關斷信號"]
P --> J
end
subgraph "EMI與電網相容"
Q["交流側EMI濾波器"] --> H
R["防雷壓敏電阻"] --> H
S["電網電壓監測"] --> I
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style E fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
電池側雙向DC/DC變換器拓撲詳圖
graph TB
subgraph "雙向升降壓變換器"
A["電池組輸入 \n 48V/96V"] --> B["輸入濾波電容"]
B --> C["升降壓電感"]
C --> D["開關節點"]
subgraph "主功率開關陣列"
Q_HIGH["VBL1101N \n 高壓側開關"]
Q_LOW["VBL1101N \n 低壓側開關"]
end
D --> Q_HIGH
D --> Q_LOW
Q_HIGH --> E["高壓直流母線 \n 700-800VDC"]
Q_LOW --> F["電池側地"]
G["雙向DC/DC控制器"] --> H["柵極驅動器"]
H --> Q_HIGH
H --> Q_LOW
I["電流採樣"] --> G
J["電壓採樣"] --> G
end
subgraph "保護與預充電路"
K["預充電阻"] --> L["預充接觸器"]
M["主接觸器"] --> A
N["防反接MOSFET"] --> A
O["電池側π型濾波器"] --> A
P["過流保護"] --> G
end
subgraph "多相交錯並聯(擴展)"
Q["交錯相1"] --> E
R["交錯相2"] --> E
S["交錯相3"] --> E
T["相位交錯控制"] --> G
end
style Q_HIGH fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style Q_LOW fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
熱管理與保護系統拓撲詳圖
graph LR
subgraph "三級散熱系統設計"
A["一級散熱: 並網逆變器"] --> B["銅基板+熱管"]
B --> C["密封強制風道"]
C --> D["VBPB19R11S陣列 \n 目標殼溫<80℃"]
E["二級散熱: DC/DC變換器"] --> F["獨立鋁散熱器"]
F --> G["主系統風道"]
G --> H["VBL1101N陣列 \n 溫升<50K"]
I["三級散熱: 控制電路"] --> J["2oz加厚PCB銅箔"]
J --> K["多排散熱過孔陣列 \n 孔徑0.4mm,間距1.2mm"]
K --> L["VBA1405陣列 \n 溫升<30K"]
end
subgraph "溫度監測與控制"
M["溫度感測器網路"] --> N["NTC熱敏電阻"]
N --> O["BMS/PCS控制器"]
O --> P["風扇PWM控制"]
O --> Q["加熱器控制"]
P --> R["冷卻風扇組"]
Q --> S["電池加熱器"]
T["散熱器溫度點"] --> O
U["環境溫度感測器"] --> O
end
subgraph "電氣保護網路"
V["直流側緩衝"] --> W["RC吸收網路"]
X["交流側保護"] --> Y["TVS+壓敏電阻陣列"]
Z["快速保護"] --> AA["硬體比較器"]
AA --> BB["FPGA快速關斷"]
BB --> CC["柵極驅動禁能"]
DD["絕緣監測"] --> EE["IMD模組"]
EE --> O
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style H fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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