graph LR
subgraph "高壓DC-DC變換級"
A["高壓電池組 \n 300-400VDC"] --> B["輸入濾波器"]
B --> C["諧振變換拓撲"]
C --> D["高頻變壓器"]
D --> E["次級整流/同步整流"]
subgraph "高壓主開關"
F["VBP15R50 \n 500V/50A"]
G["VBP15R50 \n 500V/50A"]
end
C --> F
C --> G
F --> H["高壓直流母線"]
G --> H
I["隔離型柵極驅動器"] --> F
I --> G
J["高壓控制器"] --> I
H -->|電壓回饋| J
end
subgraph "保護電路"
K["RCD緩衝電路"] --> F
L["RC吸收網路"] --> G
M["TVS陣列"] --> I
N["電流檢測"] --> O["過流比較器"]
O --> P["故障鎖存"]
P --> Q["關斷信號"]
Q --> F
Q --> G
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
主驅電機逆變橋拓撲詳圖
graph TB
subgraph "三相全橋逆變器"
A["高壓直流母線"] --> B["直流母線電容"]
B --> C["上橋臂節點"]
B --> D["下橋臂節點"]
subgraph "上橋臂開關管"
Q1["VBGP1801 \n 80V/350A"]
Q3["VBGP1801 \n 80V/350A"]
Q5["VBGP1801 \n 80V/350A"]
end
subgraph "下橋臂開關管"
Q2["VBGP1801 \n 80V/350A"]
Q4["VBGP1801 \n 80V/350A"]
Q6["VBGP1801 \n 80V/350A"]
end
C --> Q1
C --> Q3
C --> Q5
Q1 --> U_OUT["U相輸出"]
Q2 --> U_OUT
Q3 --> V_OUT["V相輸出"]
Q4 --> V_OUT
Q5 --> W_OUT["W相輸出"]
Q6 --> W_OUT
D --> Q2
D --> Q4
D --> Q6
U_OUT --> MOTOR["三相永磁同步電機"]
V_OUT --> MOTOR
W_OUT --> MOTOR
end
subgraph "柵極驅動電路"
DRV["大電流柵極驅動器"] --> Q1
DRV --> Q2
DRV --> Q3
DRV --> Q4
DRV --> Q5
DRV --> Q6
MCU["電機控制MCU"] --> DRV
end
subgraph "電流檢測與保護"
SHUNT_U["U相電流檢測"] --> MCU
SHUNT_V["V相電流檢測"] --> MCU
DESAT["去飽和檢測"] --> Q1
DESAT --> Q3
DESAT --> Q5
OCP["過流保護"] --> DRV
end
style Q1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q2 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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