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（MPPT） 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。-The operating principles of the Boost

circuit are introduced. The theoretical basis of realizing

the maximum power point tracking （ MPPT） by using

the circuit is analyzed in detail. The parameter selection

methods and improving scheme of the Boost circuit which

are suitable for MPPT 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.