单相正弦波有源逆变并网电源  

Single-phase sine wave active inverter grid power supply

作　　者：陈继栋[1] 施崇阳[1] 周乐意[1] 

机构地区：[1]武汉大学电子信息学院,湖北武汉430079

出　　处：《电子设计工程》2011年第13期187-189,192,共4页Electronic Design Engineering

摘　　要：基于有效利用能源的目的,设计了一个电源系统。采用单片机P87C52X2BN和FPGA芯片EP1C6Q240C8N相结合的方法,配合外围电路,实现单相正弦波有源逆变器带负载运行和与220 V市电安全并网。系统主要由单相全桥逆变、数据采集、并网条件检测等几部分组成,其中单相逆变是核心,系统采用全桥逆变,完成DC-AC高效率转换。最终测得满载输出功率为72 W,效率高于85%,输出电压稳定度高,波形失真度小。整个系统安全可靠、稳定性能好、操作简单,具有一定的使用价值。Based on the purpose of efficient use of energy,a power system is designed.This system uses P87C52X2BN and FPGA chip EP1C6Q240C8N completing active inverter single-phase sine wave loading operation and safety grid with 220V utility output power.The system includes single-phase inverter,data acquisition and grid conditions detection.Single-phase inverter is the core.This system adopts full bridge inverter,completing DC-AC efficient conversion.Final full load output power measures 72W,efficiency is higher than 85%.The stability of output voltage is high and the waveform distortion is small.The whole system is safe and stable with simple operation and certain use value.

关 键 词：单片机 FPGA 全桥逆变 安全并网 

分 类 号：TM421[电气工程—电器]