城轨车辆直流辅助供电变频空调综合电源与控制方案研究  

Research on the comprehensive power supply and control scheme of inverter air conditioner for the DC auxiliary power supplies of urban rail transit vehicles

作　　者：吕艳宗 曹虎 毕京斌 LV Yanzong;CAO Hu;BI Jingbin(CRRC Qingdao Sifang Rolling Stock Research Institute Co.,Ltd.,Qingdao Shandong 266031,China)

机构地区：[1]中车青岛四方车辆研究所有限公司,山东青岛266031

出　　处：《现代城市轨道交通》2024年第2期35-42,共8页Modern Urban Transit

基　　金：中国中车重大科研课题(2021CTA084)。

摘　　要：现有城轨车辆的辅助供电以工频交流系统为主,其输出的AC380V交流电为变频空调等设备供电,且空调电气控制未与辅助电源设备统一考虑、协同设计,造成系统电源重复变换,供电效率不高。文章在分析现有辅助供电技术和变频空调电气控制技术的基础上,采用近年逐步展开研究的中高频变流技术、变频空调综合电源与控制技术,提出一种采用直流架构的辅助供电系统及变频空调的综合电源与控制方案,首先详细阐述2种系统架构设计思路、综合电源装置的电气组成和控制方案,其次分析其在提高供电效率、减少部件数量、增强空调协同控制、提高乘车环境舒适性等方面的优势,同时指出方案的技术难点,最后对所述方案的技术和功能提升进行展望。The current auxiliary power supply for urban rail transit vehicles predominantly relies on the power frequency AC system,providing AC380 V to power equipment such as inverter air conditioners.However,the electrical control of air conditioners has not been uniformly considered or designed in coordination with the auxiliary power supply equipment.This has led to inefficiencies with repeated power supply shifts and low power supply efficiency.In response,this study analyzes existing auxiliary power supply technology and inverter air conditioner electrical control technology.It proposes a comprehensive power supply and control scheme utilizing DC architecture for both the auxiliary power supply system and inverter air conditioners.This scheme leverages mediumand high-frequency converter technology,as well as recent advancements in inverter air conditioner comprehensive power supply and control technology.The detailed design ideas for the two system architectures,the electrical composition,and the control scheme of the comprehensive power supply device are outlined.The study also analyzes the advantages of this scheme,including improved power supply efficiency,reduced component count,enhanced air conditioner collaborative control,and improved ride comfort.Meanwhile,the technical difficulties associated with the solution are identified.Finally,this study outlines the prospects for the technological and functional improvements of the proposed solution.

关 键 词：城轨车辆 变频空调 直流辅助供电 综合电源与控制 

分 类 号：TM922.75[电气工程—电力电子与电力传动] U270.38[机械工程—车辆工程] U270.383[交通运输工程—载运工具运用工程]