Improvement of the Maximum Power Point Tracking Boost Circuit in the

Photovoltaic Power Generation System

Lu Zhenglin Chen Yifei（College of Information & Electrical Engineering of

China Agricultural University，Beijing 100083，China）

Abstract The operating principles of the Boost circuit are introduced. The theoretical basis of realizing the maximum power point tracking（MPP T）by using the circuit is analyzed in detail. The parameter selection methods and improving scheme of the Boost circuit which are suitable for MPP T control are given. Multisim simulation software study and the actual circuit debugging of the above-said conversion circuit have been conducted. The rationality of theoretical analysis，design methods and improving scheme have been verified.

Key words Maximum power point tracking Boost circuit Parameter selection Simulation study

 

摘 要 介绍了Boost电路的工作原理，详细解析了利用其实现最大功率跟踪（MPP   T）的理论依据，给出了适用于MPP   T 控制的Boost电路参数选择方法和改进方案。对所述变换电路进行Multisim软件仿真研究和实际电路调试，并验证了理论分析、设计方法和改进方案的合理性。

关键词 最大功率跟踪 Boost电路 参数选择 仿真研究