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本文分析了有源功率因数校正电路的基本原理,提出了平均电流型控制APFC技术的方案,并对基于UC3854A/B芯片的电路实现中的关键技术进行了设计和仿真,实现了平均电流控制的功率因数校正。
This paper analyzes the basic principles of active power factor correction circuit, the average current type APFC control scheme proposed, and the key technologies in the circuit implementation based on UC3854A / B chip was designed and simulated to achieve the average current control Power factor correction.