graph TB
subgraph "三相三電平T型拓撲"
A["L1相輸入"] --> B["L1濾波電感"]
C["L2相輸入"] --> D["L2濾波電感"]
E["L3相輸入"] --> F["L3濾波電感"]
B --> G["三相整流橋"]
D --> G
F --> G
G --> H["正直流母線"]
G --> I["中性點"]
G --> J["負直流母線"]
subgraph "T型橋臂開關"
K["VBMB18R17SE \n 上管1"]
L["VBMB18R17SE \n 上管2"]
M["VBMB18R17SE \n 下管1"]
N["VBMB18R17SE \n 下管2"]
end
H --> K
K --> O["橋臂中點"]
L --> O
O --> M
O --> N
M --> I
N --> J
end
subgraph "驅動與保護"
P["PFC控制器"] --> Q["隔離驅動器"]
Q --> K
Q --> L
Q --> M
Q --> N
R["電壓檢測"] --> P
S["電流檢測"] --> P
T["溫度感測器"] --> P
U["RCD緩衝"] --> K
U --> L
V["RC吸收"] --> M
V --> N
end
style K fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style L fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
隔離雙向DCDC變換器拓撲詳圖
graph LR
subgraph "高壓側LLC諧振"
A["750VDC母線"] --> B["LLC諧振電容"]
B --> C["LLC諧振電感"]
C --> D["變壓器初級"]
D --> E["高壓側開關節點"]
subgraph "高壓側開關"
F["高壓MOSFET \n Q1"]
G["高壓MOSFET \n Q2"]
end
E --> F
E --> G
F --> H["高壓地"]
G --> H
end
subgraph "低壓側同步整流"
I["變壓器次級"] --> J["同步整流節點"]
subgraph "並聯功率開關"
K["VBGP1801 \n 80V/350A"]
L["VBGP1801 \n 80V/350A"]
M["VBGP1801 \n 80V/350A"]
N["VBGP1801 \n 80V/350A"]
end
J --> K
J --> L
J --> M
J --> N
K --> O["輸出濾波電感"]
L --> O
M --> O
N --> O
O --> P["輸出電容"]
P --> Q["電池母線"]
end
subgraph "控制與驅動"
R["DCDC控制器"] --> S["高壓側驅動器"]
R --> T["低壓側驅動器"]
S --> F
S --> G
T --> K
T --> L
T --> M
T --> N
U["電流感測器"] --> R
V["電壓回饋"] --> R
end
style K fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style L fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
電池簇智能管理拓撲詳圖
graph TB
subgraph "電池模組管理單元"
A["電池模組正極"] --> B["模組熔斷器"]
B --> C["預充電阻"]
C --> D["主接觸器"]
subgraph "VBA5840集成開關"
direction LR
E["N溝道MOSFET"]
F["P溝道MOSFET"]
end
D --> E
E --> F
F --> G["模組輸出正極"]
H["電池模組負極"] --> I["電流檢測"]
I --> J["模組輸出負極"]
end
subgraph "H橋主動均衡電路"
K["模組1正極"] --> L["VBA5840 N1"]
K --> M["VBA5840 P1"]
N["模組2正極"] --> O["VBA5840 N2"]
N --> P["VBA5840 P2"]
L --> Q["均衡電感"]
M --> Q
O --> Q
P --> Q
Q --> R["均衡控制器"]
end
subgraph "BMS控制核心"
S["BMS主MCU"] --> T["電壓採集"]
S --> U["溫度採集"]
S --> V["均衡控制"]
S --> W["開關控制"]
W --> E
W --> F
V --> R
X["CAN通信"] --> S
Y["RS485通信"] --> S
end
subgraph "保護功能"
Z["過壓保護"] --> AA["保護邏輯"]
AB["欠壓保護"] --> AA
AC["過溫保護"] --> AA
AD["短路保護"] --> AA
AA --> AE["故障隔離"]
AE --> E
AE --> F
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
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