基于Lyapunov直接法控制的新型Boost功率因数校正开关变流器  

A Novel Boost PFC Switching Converter Based on Lyapunov's Direct Method

作　　者：黄卫平[1] 谢运祥[1] 

机构地区：[1]华南理工大学,广东广州510640

出　　处：《低压电器》2010年第4期57-60,共4页Low Voltage Apparatus

摘　　要：分析了单相Boost功率因数校正(PFC)开关变流器的工作原理,并在Lya-punov稳定性理论的基础上,提出了一种新的Boost PFC非线性控制方法。该方法算法简单,易于实现,并具有大范围渐进稳定、动态响应快的优点。推导出了Lyapunov直接法的控制策略,并采用TMS320F2812对所提出的方法进行了验证,给出了实验波形。实验结果表明,提出的方法实现了控制目标,取得了良好的效果。The operating principle of single-phase Boost power factor correction（PFC） switching convertor was analyzed.A new nonlinear control method for the Boost PFC was proposed based on Lyapunov＇s stability theory.The algorithm of this method was simple and easy to implement.The converter could gradually stabilize large-signal disturbances,and showed good transient response.The control strategy of Lyapunov＇s direct method was derived.And this proposed method was verified by using TMS320F2812.Experimental waveforms were given.The experimental results showed that this proposed method realized the control objectives and achieved good effect.

关 键 词：Boost功率因数校正 LYAPUNOV直接法 非线性 开关变流器 

分 类 号：TM4[电气工程—电器]