基于Multisim的节能型恒流开关电源电路设计

Circuit Design of Energy-saving Switching Power Supply with Constant Current Based on Multisim

通过对恒流开关电源的系统框图分析,阐述了恒流输出原理和实现方法;应用Multisim电路仿真软件对电路进行仿真测试,结果表明:恒流开关电源的输出电压、输出电流和输出功率等各项指标均达到设计要求,电源的工作效率达到81.1%,节能效果好。

On the analysis of the system block diagram of constant current switching power supply, rials paper expounds me principle of constant current output and the implementation method; Using Multisim circuit simulation software to simulate the circuit testing, the results show that all the indexes of the constant current switch power supply meet the design requirements ,such as output voltage and output current and output power, which the power efficiency is 81.1% with good energy-saving effect.