Shanghai Shanjie Electric S&T Co.,Ltd
Shanghai Shanjie Electric S&T Co.,Ltd
Chinese version

Block Diagram for Operation of HY Series of Variable Frequency Power Supply

 

 

EMIFILTER

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

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

D/ACONVERTER

电流回授

Current Feedback

三角波产生器

Triangle Wave Generator

SINE WAVE ROM

SINE WAVE ROM

ALARM

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

 

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