graph LR
subgraph "光伏输入升压通道"
A["光伏阵列 \n 200-600VDC"] --> B["防雷击浪涌电路"]
B --> C["输入滤波电容"]
C --> D["Boost电感"]
D --> E["Boost开关节点"]
E --> F["VBE18R05S \n 800V/5A"]
F --> G["高压直流母线"]
H["MPPT控制器"] --> I["栅极驱动器"]
I --> F
G -->|电压反馈| H
end
subgraph "柴发PFC通道"
J["柴油发电机 \n 400VAC"] --> K["EMI滤波器"]
K --> L["三相整流桥"]
L --> M["PFC电感"]
M --> N["PFC开关节点"]
N --> O["VBE18R05S \n 800V/5A"]
O --> G
P["PFC控制器"] --> Q["栅极驱动器"]
Q --> O
G -->|电流反馈| P
end
subgraph "母线支撑与保护"
G --> R["母线支撑电容"]
R --> S["母线电压检测"]
S --> T["过压保护电路"]
U["电压突变吸收"] --> O
end
style F fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style O fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
储能双向DC-DC拓扑详图
graph TB
subgraph "双向变换主拓扑"
A["高压直流母线"] --> B["移相全桥/LLC变换器"]
B --> C["高频变压器"]
C --> D["次级整流/同步整流"]
subgraph "高压侧开关阵列"
SW_H1["VBL1803 \n 80V/215A"]
SW_H2["VBL1803 \n 80V/215A"]
SW_H3["VBL1803 \n 80V/215A"]
SW_H4["VBL1803 \n 80V/215A"]
end
subgraph "低压侧开关阵列"
SW_L1["VBL1803 \n 80V/215A"]
SW_L2["VBL1803 \n 80V/215A"]
SW_L3["VBL1803 \n 80V/215A"]
SW_L4["VBL1803 \n 80V/215A"]
end
B --> SW_H1
B --> SW_H2
B --> SW_H3
B --> SW_H4
D --> SW_L1
D --> SW_L2
D --> SW_L3
D --> SW_L4
SW_L1 --> E["输出滤波电感"]
SW_L2 --> E
SW_L3 --> E
SW_L4 --> E
E --> F["输出滤波电容"]
F --> G["48V电池组"]
end
subgraph "驱动与保护"
H["双向变换控制器"] --> I["隔离栅极驱动器"]
I --> SW_H1
I --> SW_H2
I --> J["隔离栅极驱动器"]
J --> SW_L1
J --> SW_L2
K["米勒钳位电路"] --> SW_H1
L["短路保护"] --> G
M["电流检测"] --> H
end
subgraph "散热设计"
N["强制风冷散热器"] --> SW_H1
N --> SW_H2
O["大电流PCB铺铜"] --> SW_L1
O --> SW_L2
end
style SW_H1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style SW_L1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
智能负载分配拓扑详图
graph TB
subgraph "AI负载管理控制器"
A["微网EMS"] --> B["负载优先级算法"]
B --> C["PWM软启动控制"]
C --> D["序列上电逻辑"]
end
subgraph "智能开关通道1-海水淡化"
E["VBQG4338A双P-MOSFET"] --> F["栅极驱动电路"]
subgraph E ["VBQG4338A内部结构"]
direction LR
GATE1["栅极1"]
GATE2["栅极2"]
SOURCE1["源极1"]
SOURCE2["源极2"]
DRAIN1["漏极1"]
DRAIN2["漏极2"]
end
D --> GATE1
D --> GATE2
H["负载分配总线"] --> DRAIN1
H --> DRAIN2
SOURCE1 --> I["海水淡化设备"]
SOURCE2 --> J["备用通道"]
I --> K["地"]
end
subgraph "智能开关通道2-通讯模块"
L["VBQG4338A双P-MOSFET"] --> M["栅极驱动电路"]
D --> L
H --> L
L --> N["通讯模块"]
N --> K
end
subgraph "智能开关通道3-照明系统"
O["VBQG4338A双P-MOSFET"] --> P["栅极驱动电路"]
C --> O
H --> O
O --> Q["照明控制器"]
Q --> K
end
subgraph "智能开关通道4-制氧机"
R["VBQG4338A双P-MOSFET"] --> S["栅极驱动电路"]
D --> R
H --> R
R --> T["制氧机电源"]
T --> K
end
subgraph "状态监测与保护"
U["电流检测"] --> V["过流保护"]
W["温度监测"] --> X["过热保护"]
V --> Y["故障关断"]
X --> Y
Y --> F
Y --> M
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style L fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style O fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style R fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBE18R05S规格书
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