| 基于U3988的单相工频正弦逆变电源 |
| |
| 引用本文： | 陈雷,石新春.基于U3988的单相工频正弦逆变电源[J].国外电子元器件,2008,16(7). |
| |
| 作者姓名： | 陈雷 石新春 |
| |
| 作者单位： | 华北电力大学,河北保定,071000 |
| |
| 摘 要： | 详细介绍了基于双极脉宽调制(SPWM)实现的正弦波逆变器.硬件采用工频正弦器件U3988和SG3525搭建电路,使得硬件电路更加简洁.该电路的前级采用SC3525实现高频升压;后级采用U3988实现工频逆变.介绍了主电路、SPWM脉冲形成电路、编码延时电路及驱动电路等,可为SPWM逆变电源设计提供参考.
|
| 关 键 词： | SC3525 U3988 逆变器 |
Design of single-phase power frequency sine-inverter power supply based on U3988 |
| |
| CHEN Lei,SHI Xin-chun.Design of single-phase power frequency sine-inverter power supply based on U3988[J].International Electronic Elements,2008,16(7). |
| |
| Authors: | CHEN Lei SHI Xin-chun |
| |
| Affiliation: | CHEN Lei,SHI Xin-chun(North China Eelctric Power University,Baoding 071000,China) |
| |
| Abstract: | This paper describes the sine wave inverter based on bipolar SPWM.The hardware circuits use frequency sine chip U3988 and SG3525,makes it more easy.The pre-stage circuit uses SG3525 to achieve high frequency boost,The post-stage circuit uses U3988 to achieve frequency inverter.The main circuit,SPWM pulse formation,coding delay circuit,driving circuit are introduced in this paper.It can be realized as a bipolar SPWM power inverter for reference. |
| |
| Keywords: | SG3525 U3988 inverter PWM |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
