graph TB
subgraph "光伏MPPT Boost电路"
A["光伏组串 \n 600-1000V"] --> B["输入保险丝 \n +防雷保护"]
B --> C["EMI滤波器 \n 共模电感+X/Y电容"]
C --> D["直流母线电容"]
D --> E["Boost电感"]
E --> F["Boost开关节点"]
F --> G["VBP165R36S \n 650V/36A (MOSFET)"]
G --> H["输出滤波电容"]
H --> I["高压直流母线 \n 800VDC"]
J["MPPT控制器"] --> K["隔离驱动器 \n IR2110"]
K --> G
I -->|电压反馈| J
F -->|电流检测| J
end
subgraph "保护与缓冲电路"
L["RCD缓冲网络"] --> G
M["RC吸收电路"] --> F
N["TVS管阵列"] --> I
O["温度传感器"] --> P["保护电路"]
P -->|过温保护| J
end
style G fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池充放电管理拓扑详图
graph LR
subgraph "双向Buck-Boost变换器"
A["高压侧 \n 800VDC"] --> B["主功率电感"]
B --> C["开关节点"]
C --> D["VBM1302A \n 30V/180A (MOSFET)"]
D --> E["电池侧滤波"]
E --> F["电池组 \n 48VDC"]
G["电池控制器"] --> H["高速驱动器"]
H --> D
F -->|电压/电流反馈| G
C -->|电流检测| G
end
subgraph "多管并联与均流设计"
subgraph "MOSFET并联阵列"
I["VBM1302A#1"]
J["VBM1302A#2"]
K["VBM1302A#3"]
L["VBM1302A#4"]
end
C --> I
C --> J
C --> K
C --> L
I --> M["均流电阻"]
J --> M
K --> M
L --> M
M --> E
end
subgraph "散热设计"
N["厚铜层PCB \n 2oz"] --> I
N --> J
O["散热过孔阵列"] --> K
O --> L
P["TO-220散热器"] --> I
P --> J
end
style D fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style I fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
逆变输出拓扑详图
graph TB
subgraph "三相全桥逆变拓扑"
A["直流母线 \n 800VDC"] --> B["直流支撑电容"]
B --> C["上桥臂开关节点"]
B --> D["下桥臂开关节点"]
subgraph "U相桥臂"
E["VBM16I30 \n 600V/30A (上管)"]
F["VBM16I30 \n 600V/30A (下管)"]
end
subgraph "V相桥臂"
G["VBM16I30 \n 600V/30A (上管)"]
H["VBM16I30 \n 600V/30A (下管)"]
end
subgraph "W相桥臂"
I["VBM16I30 \n 600V/30A (上管)"]
J["VBM16I30 \n 600V/30A (下管)"]
end
C --> E
C --> G
C --> I
D --> F
D --> H
D --> J
E --> K["U相输出"]
F --> K
G --> L["V相输出"]
H --> L
I --> M["W相输出"]
J --> M
K --> N["输出滤波器 \n LC网络"]
L --> N
M --> N
N --> O["交流输出 \n 380V/50Hz"]
end
subgraph "IGBT驱动电路"
P["DSP控制器"] --> Q["隔离驱动电源"]
Q --> R["IGBT驱动器 \n +15V/-8V"]
R --> E
R --> F
R --> G
R --> H
R --> I
R --> J
S["死区时间控制"] --> R
T["米勒钳位电路"] --> E
T --> G
T --> I
end
subgraph "保护与吸收"
U["RC吸收网络"] --> E
U --> G
U --> I
V["快速熔断器"] --> A
W["过流检测"] --> X["硬件保护"]
X -->|故障信号| R
end
style E fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style F fill:#fff3e0,stroke:#ff9800,stroke-width:2px
系统保护与热管理拓扑详图
graph LR
subgraph "三级热管理系统"
A["一级: 强制风冷"] --> B["逆变IGBT散热器"]
C["二级: 自然风冷"] --> D["光伏MOSFET散热器"]
E["三级: PCB导热"] --> F["电池MOSFET敷铜区"]
G["温度传感器阵列"] --> H["热管理控制器"]
H --> I["风扇PWM控制"]
H --> J["降额控制逻辑"]
I --> A
J --> K["功率降额曲线"]
end
subgraph "电气保护网络"
L["输入防雷保护"] --> M["光伏输入端"]
N["输出防雷保护"] --> O["交流输出端"]
P["快速过流保护"] --> Q["硬件比较器"]
Q --> R["故障锁存器"]
R --> S["全系统关断"]
T["电压尖峰吸收"] --> U["RC/RCD网络"]
U --> V["功率开关管"]
W["隔离驱动保护"] --> X["TVS+稳压管"]
end
subgraph "环境防护设计"
Y["IP54防护机箱"] --> Z["所有内部组件"]
AA["三防漆涂层"] --> AB["PCB板"]
AC["耐腐蚀端子"] --> AD["外部接口"]
AE["防凝露加热"] --> AF["控制板区域"]
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style D fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
style F fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
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