在电子技术领域用Multisim作为仿真软件是及其普遍的,Multisim仿真软件中自动化设计中具有很大的优势。本文主要是分析了基于Multisim的三相整流电路的建模与仿真,论文中介绍了一些部件的实现原理还实现了基于Multisim的软件进行仿真。通过仿真的结果可以表明运用Multisim软件进行仿真具有很好的便捷性,灵活性,对于现实中的实际应用有着重大的意义。随着电力电子技术的不断发展,电子电路控制直流电动机以及化学加工方面有着十分重要的作用。本文主要是介绍了三相整流电路的建模以及仿真,建立的模型更加的便捷,更加直观。 In the field of electronic technology as a simulation software with Multisim and its universal, Multisim simulation software has a great advantage in the automation design. This paper mainly analyzes the modeling and simulation of three-phase rectifier circuit based on Multisim. The paper introduces the realization principle of some components and also realizes the software simulation based on Multisim. Simulation results show that using Multisim simulation software has a very convenient and flexible, practical application of great significance. With the continuous development of power electronics technology, electronic circuit control of DC motors and chemical processing has a very important role. This article mainly introduces the modeling and simulation of three-phase rectifier circuit. The established model is more convenient and more intuitive.