中频逆变高频PWM电子束焊机高压电源  

Medium Frequency Inverter High Frequency PWM High Voltage Power Supply for Electron Beam Welding Machine

作　　者：黄小东 费翔 陆思恒 郭华艳 

机构地区：[1]桂林狮达机电技术工程有限公司,广西桂林541004

出　　处：《装备制造技术》2012年第8期74-76,共3页Equipment Manufacturing Technology

基　　金：国家火炬计划项目(2009GH040181);科技型中小企业技术创新基金(国科发计字[2010]280号10C26224502821)

摘　　要：设计一种中频逆变高频PWM电子束焊机高压电源装置,装置将由高频PWM脉冲驱动的逆变器产生的中频交流电送入中频高压变压器,通过高压整流滤波器、高压放电扼流电路后得到纹波系数小、运行稳定的高压输出,同时故障判别电路对高压电源实时监控,当出现异常时,实现快速截止保护。实验结果表明,这是一种调节速度快、效率较高的电子束焊机高压逆变电源装置。Design a medium frequency inverter high frequency PWM high-voltage Electron Beam Welder power supply device, intermediate frequency AC into the intermediate frequency device will be generated by high-frequency PWM pulse inverter-driven high-voltage transformers, voltage rectifier filter, high pressure discharge choke circuitripple coefficient is small, stable high-voltage output, and fault discrimination circuit real-time monitoring of high voltage power supply, abnormal, rapid cut-off protection. The experimental results show that this is a way to regulate speed and more efficient electron beam welder voltage inverter power supply device.

关 键 词：电子束焊机 高压电源 高频PWM 开关电源 

分 类 号：TG456.3[金属学及工艺—焊接]