graph LR
subgraph "三相雙向變換橋臂"
A[電網L1相] --> B[濾波電感]
B --> C[橋臂上管節點]
C --> D["VBP110MR24 \n 上管"]
D --> E[高壓直流正極]
C --> F["VBP110MR24 \n 下管"]
F --> G[橋臂中點]
G --> H[電網電流檢測]
H --> I[電網L1相返回]
J[電網L2相] --> K[相同結構橋臂]
L[電網L3相] --> M[相同結構橋臂]
end
subgraph "控制與驅動"
N["雙向PFC/逆變控制器"] --> O["隔離柵極驅動器"]
O --> D
O --> F
P["電壓電流採樣"] --> N
Q["直流母線電壓"] --> P
end
subgraph "保護與緩衝"
R["RCD緩衝電路"] --> D
S["RC吸收網路"] --> F
T["TVS浪湧保護"] --> E
U["有源米勒鉗位"] --> O
end
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
雙向DC-DC變換拓撲詳圖
graph TB
subgraph "雙向隔離DC-DC變換器"
A["高壓直流母線"] --> B["高頻變壓器初級"]
B --> C["初級側開關節點"]
subgraph "初級側開關"
D["VBGQA1302 \n 或高壓MOS"]
E["VBGQA1302 \n 或高壓MOS"]
end
C --> D
C --> E
D --> F["初級地"]
E --> F
subgraph "次級側同步整流"
G["變壓器次級"] --> H["同步整流節點"]
subgraph "次級開關陣列"
I["VBGQA1302 \n 30V/90A"]
J["VBGQA1302 \n 30V/90A"]
K["VBGQA1302 \n 30V/90A"]
L["VBGQA1302 \n 30V/90A"]
end
H --> I
H --> J
H --> K
H --> L
I --> M["輸出濾波電感"]
J --> M
K --> M
L --> M
M --> N["電池直流母線"]
end
subgraph "控制與保護"
O["雙向DCDC控制器"] --> P["初級驅動器"]
P --> D
P --> E
O --> Q["同步整流控制器"]
Q --> I
Q --> J
R["電流感測器"] --> O
S["溫度感測器"] --> O
T["過流保護"] --> O
end
style I fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
BMS均衡管理拓撲詳圖
graph LR
subgraph "電池模組均衡系統"
A["電池模組1 \n 12-24V"] --> B["電壓採樣"]
A --> C["溫度採樣"]
subgraph "均衡控制開關"
D["VBQD4290AU \n 通道1"]
E["VBQD4290AU \n 通道2"]
end
A --> D
A --> E
D --> F["均衡電阻1"]
E --> G["均衡電阻2"]
F --> H["公共地"]
G --> H
I["電池模組2"] --> J[相同均衡結構]
K["電池模組3"] --> L[相同均衡結構]
M["電池模組4"] --> N[相同均衡結構]
end
subgraph "BMS控制核心"
O["BMS AFE晶片"] --> P["均衡控制邏輯"]
P --> D
P --> E
Q["MCU主控制器"] --> O
R["電流檢測"] --> Q
S["總電壓檢測"] --> Q
T["通信介面"] --> Q
end
subgraph "保護電路"
U["模組熔斷器"] --> A
V["總正繼電器"] --> BATTERY_POS
W["總負繼電器"] --> BATTERY_NEG
X["預充電路"] --> BATTERY_POS
end
style D fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style O fill:#fce4ec,stroke:#e91e63,stroke-width:2px
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