改进型高效PWM控制技术在开关电源中的应用  

Application of Improved High-Efficiency PWM Control Technology in Switching Power Supply

作　　者：郑真福 张小纲 刘国栋 ZHENG Zhenfu;ZHANG Xiaogang;LIU Guodong(Unit 69016,Urumqi 830000,China;Unit 32142,Baoding 071000,China)

机构地区：[1]69016部队,新疆乌鲁木齐830000 [2]32142部队,河北保定071000

出　　处：《通信电源技术》2024年第24期113-115,共3页Telecom Power Technology

摘　　要：为提高开关电源的效率和性能,提出了一种改进型高效脉冲宽度调制(Pulse Width Modulation,PWM)控制技术。通过引入自适应死区时间控制和预测电流控制算法,优化了传统PWM控制方案。实验结果表明,该技术可将开关损耗降低15%,效率提高3.5%。同时,输出电压纹波减小20%,动态响应时间缩短30%。研究证实,改进型PWM控制技术能有效提升开关电源的整体性能,具有广阔的应用前景。In order to improve the efficiency and performance of switching power supply,an improved and efficient Pulse Width Modulation(PWM)control technology is proposed.By introducing adaptive dead time control and predictive current control algorithm,the traditional PWM control scheme is optimized.The experimental results show that the switching loss can be reduced by 15%and the efficiency can be improved by 3.5%.At the same time,the output voltage ripple is reduced by 20%and the dynamic response time is shortened by 30%.The research proves that the improved PWM control technology can effectively improve the overall performance of switching power supply and has broad application prospects.

关 键 词：脉冲宽度调制(PWM)控制技术 开关电源 自适应死区时间 预测电流控制 效率优化 

分 类 号：TN713[电子电信—电路与系统]