graph LR
subgraph "预充电电路"
A["电网侧 \n 400VAC"] --> B["整流桥"]
B --> C["直流母线前级"]
D["电池侧 \n 400-800VDC"] --> E["电池接触器"]
C --> F["预充电电阻"]
F --> G["VBM19R09S \n 预充电开关"]
G --> H["高压直流母线"]
E --> H
I["预充电控制器"] --> J["驱动电路"]
J --> G
H -->|电压反馈| I
end
subgraph "保护电路"
K["高压母线"] --> L["MOV浪涌保护"]
K --> M["放电管保护"]
subgraph "隔离保护开关"
N["VBM19R09S \n 隔离开关1"]
O["VBM19R09S \n 隔离开关2"]
end
K --> N
N --> P["DC-DC变换器输入"]
K --> O
O --> Q["逆变器输入"]
R["保护控制器"] --> S["隔离驱动"]
S --> N
S --> O
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style N fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
双向DC-DC变换器拓扑详图
graph TB
subgraph "双向Buck-Boost拓扑"
A["高压直流母线"] --> B["输入滤波"]
B --> C["上桥开关节点"]
subgraph "高压侧桥臂"
D["VBMB16R25SFD \n 上管Q1"]
E["VBMB16R25SFD \n 下管Q2"]
end
C --> D
C --> E
D --> F["高压母线返回"]
E --> G["电感连接点"]
G --> H["功率电感"]
H --> I["中间节点"]
subgraph "低压侧桥臂"
J["VBMB16R25SFD \n 上管Q3"]
K["VBMB16R25SFD \n 下管Q4"]
end
I --> J
I --> K
J --> L["电池侧正极"]
K --> M["电池侧地"]
N["双向控制器"] --> O["高压侧驱动器"]
N --> P["低压侧驱动器"]
O --> D
O --> E
P --> J
P --> K
L -->|电流电压反馈| N
end
subgraph "LLC谐振变换器拓扑(备选)"
Q["高压输入"] --> R["谐振电容"]
R --> S["谐振电感"]
S --> T["变压器初级"]
subgraph "初级桥臂"
U["VBMB16R25SFD \n Q5"]
V["VBMB16R25SFD \n Q6"]
end
T --> U
T --> V
U --> W["高压返回"]
V --> W
X["变压器次级"] --> Y["同步整流电路"]
Y --> Z["电池侧输出"]
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style U fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
三相储能逆变器拓扑详图
graph LR
subgraph "三相全桥逆变器"
A["高压直流+"] --> B["直流支撑电容"]
B --> C["A相上节点"]
B --> D["B相上节点"]
B --> E["C相上节点"]
subgraph "A相桥臂"
F["VBP185R50SFD \n 上管"]
G["VBP185R50SFD \n 下管"]
end
subgraph "B相桥臂"
H["VBP185R50SFD \n 上管"]
I["VBP185R50SFD \n 下管"]
end
subgraph "C相桥臂"
J["VBP185R50SFD \n 上管"]
K["VBP185R50SFD \n 下管"]
end
C --> F
C --> G
D --> H
D --> I
E --> J
E --> K
F --> L["A相输出"]
G --> L
H --> M["B相输出"]
I --> M
J --> N["C相输出"]
K --> N
G --> O["直流-"]
I --> O
K --> O
end
subgraph "T型三电平拓扑(备选)"
P["高压直流+"] --> Q["中性点"]
P --> R["上桥臂节点"]
Q --> S["中桥臂节点"]
subgraph "A相T型桥臂"
T["VBP185R50SFD \n 上管"]
U["VBP185R50SFD \n 中上管"]
V["VBP185R50SFD \n 中下管"]
W["VBP185R50SFD \n 下管"]
end
R --> T
T --> U
U --> X["A相输出"]
V --> X
V --> W
W --> Y["高压直流-"]
S --> U
S --> V
end
subgraph "驱动与保护"
Z["DSP控制器"] --> AA["隔离驱动电路"]
AA --> F
AA --> G
AB["电流传感器"] --> Z
AC["电压传感器"] --> Z
AD["温度传感器"] --> Z
AE["保护电路"] --> AF["故障锁存"]
AF --> AG["关断信号"]
AG --> AA
end
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style T fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBM19R09S规格书
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