摘要
分析了开关电源、变频调速等电路功率因素低、谐波分量大的原因 ,提出了有源功率因素校正 (PFC)技术的解决方案 ;并详细介绍了专用有源功率因素控制集成电路 MC342 6 2的内部框图和功能 ;给出了采用 MC342 6 2研制的有源 PFC电路的详细电路和参数 ,并详细分析了工作原理。
Analyses the reason why the power factor is lower and the higher harmonic is bigger in switch power circuits and frequency conversion speed adjustment circuits and present the method of passive power factor corrective(PFC),and introduces the constitution and function of the special power factor control integrated circuit MC34262 in detail Also provides the constitution and the parameters in the power factor corrective circuit with MC34262 and analyses the principle of the circuit
出处
《现代电子技术》
2003年第3期88-90,共3页
Modern Electronics Technique
