高压静电除尘实用电源的研究  

Study on the High Voltage Supplies on Industrial Electr ostatic Precipitators

作　　者：刘华毅[1] 苏丽营[1] 

机构地区：[1]大连理工大学电信学院,辽宁大连116031

出　　处：《现代电子技术》2004年第23期80-83,共4页Modern Electronics Technique

摘　　要：介绍采用 PWM信号控制以 IGBT为主开关元件的高频开关稳压电源。PWM信号由 TL494产生 ,用 EXB840专用驱动器驱动 IGBT,电源输出部分采用电容倍压。该静电高压电源具有电压稳定、电路简单、体积小、重量轻、可靠性高。This paper presents the highfrequency switching steadyvoltag e power supply with PWM control signal and with IGBT as its main switchi ng device. PWM control signals are produced by TL494 and IGBT is driven by EX B840 special driver,output of power supply adopts capacitance to rise power. T his power supply has characteristics of steady output voltage, simple circle, small volume, light weight,high efficiency and application interchangeability .

关 键 词：高频逆变器 软起动 零电流关断 电流反馈 电压反馈 

分 类 号：TP312[自动化与计算机技术—计算机软件与理论]