Block Diagram for Operation of HY Series of Variable Frequency Power Supply
EMIFILTER
跳脱开关
Tripping Switch
整流滤波
Rectifier Filter
高低档切换开关
Switch between High and Low Voltage
IGBT主动元件
IGBT Active Component
变压器滤波
Transformer Filter
输出NFB
Output NFB
输入NFB无熔丝开关
Input NFB without fuse switch
比较器
Comparator
DEAD TIME
隔离
Isolation
驱动电路
Drive Circuit
负载
Load
市电输入
Mains Input
分相器
Phase Separator
波形合成
Wave Synthesis
IGBT过电流保护
IGBT Over Current Protection
频率显示
Frequency Display
电压显示
Voltage Display
电流显示
Current Display
功率显示
Power Display
D/ACONVERTER
电流回授
Current Feedback
三角波产生器
Triangle Wave Generator
SINE WAVE ROM
ALARM
起动跳脱控制
Start Tripping Control
过电流检测
Over Current Test
过电压检测
Over Voltage Test
过温度检测
Over Temperature Test
除频
Frequency Divider
OSC频率切换
OSC Frequency Switch
频率合成线路
Frequency Synthesis Circuit
缓性启动
Slow Start
延时启动
Delay Start
启动/重置开关
Start/Reset Switch