基于单片机感性电路功率因数提高的研究

Research Improving Power Factor of Inductive Circuit Based on Single Chip Computer

通过对在日常生活或者工业的用电中,由于功率因数过低而导致的问题的分析,找出问题产生的原因及其造成的影响。提出提高功率因数的方法,构建并实现以单片机为载体的无功功率补偿装置,利用固态继电器实现无过渡过程地切换补偿电容,用数字显示屏显示电路电压、电流及功率因数,可有补偿响应快、电路切换无过渡过程、自动化程度高且补偿精度高的特点,能更好地提高电能质量。

Through the analysis of the problems caused by the low power factor in daily life or industrial electricity consumption,find out the cause of the problem and its impact.Propose a method to improve the power factor,construct and implement a reactive power compensation device based on a single-chip microcomputer,use solid-state relays to switch compensation capacitors without a transition process,and display circuit voltage, current and power factor on a digital display screen,which can be compensated The characteristics of fast,circuit switching without transition process,high degree of automation and high compensation precision can better improve the power quality.