摘要
文章首先对目前国内铁路客车地面电源的产品技术和使用情况进行了调研,分析了既有地面电源产品性能上的不足,提出了基于IGBT技术进行产品技术升级、开发新一代高频开关地面电源的设计方案。随后阐述了IGBT高频开关电源的技术特性、控制电路原理等,提出了通过检测地面电源输出端的电压、电流信号,采用激励信号动态调节IGBT相关参数,进而调节逆变器回路的输出电源,形成闭环反馈控制,提高地面电源稳压精度的设计思路。着重阐述了基于IGBT技术的高频开关地面电源设计的主电路、控制电路的电路设计和控制流程以及关键部件的功能特点,全面介绍了系统的整体设计方案。经车辆段现场试用表明,基于IGBT技术的高频开关地面电源具有调压响应快、稳压精度高、波纹系数小、高效节能等优点。
This paper firstly investigates the technology and usage of ground power supply for domestic railway passenger cars,analyzes the performance deficiencies,and puts forward the design scheme of technology upgrading and developing a new generation of high-frequency switching ground power supply based on IGBT.Then,it presents the technical characteristics and control circuit principle of IGBT high-frequency switching power supply,and proposes the design idea of improving the voltage stabilization accuracy of ground power supply by detecting the voltage and current signals at the output terminal of ground power supply,dynamically adjusting the related parameters of IGBT by using excitation signals,and then adjusting the output power supply of inverter circuit,forming closed-loop feedback control.This paper emphatically expounds the circuit design and control flow of the main circuit and control circuit of high-frequency switching ground power supply design based on IGBT technology,as well as the functional characteristics of key components,and comprehensively introduces the overall design scheme of the system.The field trial in the depot shows that the high-frequency switching ground power supply based on IGBT technology has the advantages of fast voltage regulation response,high voltage regulation accuracy,small ripple coefficient,high efficiency and energy savings.
作者
刘记
李国良
廉政武
时伟
LIU Ji;LI Guoliang;LIAN Zhengwu;SHI Wei(Beijing Depot,China Railway Beijing Group Co.,Ltd.,Beijing 100103,China;Rolling Stock Department,China Railway Beijing Group Co.,Ltd.,Beijing 100086,China;Rail Trust Transit Technology Co.,Ltd.,Beijing 100089,China)
出处
《铁道车辆》
2025年第1期147-151,共5页
Rolling Stock
关键词
客车地面电源
高频开关电源
IGBT驱动保护
DSP数字处理
高频变压器
ground power supply of passenger car
high frequency switching power supply
IGBT drive protection
DSP digital processing
high frequency transformer
