摘要
设计了一种以STC89C52RC单片机为主控芯片,UCC28019为功率因数校正芯片的高功率因数直流电源,通过功率因数校正、Boost升压电路、相位测量电路、反馈电压取样、过流电压检测及保护等各个功能模块的设计,提高了电源输入功率因数,减小了输入电流谐波,整个系统具有过压、欠压、过流保护及自恢复功能。系统利用单片机完成输出电压的动态调整以及功率因数、电压、电流的实时监测与显示等功能。通过实际测试,系统性能指标达到了设计要求,具有较高的实用价值。
A high power factor DC power based on the main control chip of STC89 C52 RC and the power factor correction chip of UCC28019 is designed.Through the design of each functional module,such as power factor correction,boost circuit,phase measurement circuit,feedback voltage sampling,over-current voltage detection and protection,the input power factor of the power supply is improved and the input current harmonic components are reduced.The whole system has functions on over-voltage,under-voltage and over-current protection and self-recovery.The system can realize dynamic adjustment of output voltage,real-time monitoring of power factor,voltage and current.Through the actual test,the performance index of the system meets the design requirements and has high practical value.
作者
于柏
夏华
费腾
YU Bai;XIA Hua;FEI Teng(College of Information Engineering,Tianjin University of Commerce,Tianjin 300134,China;College of Economics,Tianjin University of Commerce,Tianjin 300134,China)
出处
《电子器件》
CAS
北大核心
2021年第4期824-829,共6页
Chinese Journal of Electron Devices
基金
2019年天津市企业科技特派员项目(19JCTPJC53400,19JCTPJC51600)。
