大功率低频比同步SVPWM随机脉冲控制算法研究  

Research on High Power and Low Frequency Ratio Synchronous SVPWM Random Pulse Control Algorithm

作　　者：单宝钰 曲诗健 石运卓 金宇明 许家琦 SHAN Baoyu;QU Shijian;SHI Yunzhuo;SUN Jiawei;JIANG Tao(Technology Center,CRRC Dalian Electric Traction R&D Center Co.,LTD.,Dalian Liaoning 116022,China)

机构地区：[1]中国中车大连电力牵引研发中心有限公司,辽宁大连116022 [2]大连地铁运营有限公司,辽宁大连116022

出　　处：《微电机》2025年第2期52-56,共5页Micromotors

基　　金：国家重点研发计划“交通载运装备与智能交通技术”重点专项-高效能高功率密度电动直驱牵引传动系统技术(2023YFB4301500)。

摘　　要：针对牵引系统不断向小型化、高功率密度化趋势下发展,如何解决系统散热与电磁噪声的问题成为了技术痛点。本文提出了一种基于大功率低频比同步SVPWM的随机脉冲控制策略。该策略结合了异步区和同步区随机脉冲算法,在全速度范围内有效降低了开关损耗并削弱了电磁噪声。通过Matlab仿真与地面联调试验验证了其合理性与可行性,为机车牵引系统优化提供了新方法。As traction systems continue to evolve towards miniaturization and high-power density,addressing issues related to system heat dissipation and electromagnetic noise has emerged as a key technical challenge.In response,this paper presented a random pulse control strategy based on high-power low-frequency ratio synchronous SVPWM(Space Vector Pulse Width Modulation).This strategy integrated random pulse algorithms for both asynchronous and synchronous regions,effectively reducing switching losses and mitigating electromagnetic noise across the full speed range.The rationality and feasibility of this approach were validated through Matlab simulations and ground-based joint debugging tests,providing a novel method for optimizing traction systems in railway vehicles.

关 键 词：功率 同步调制 随机 仿真 

分 类 号：TM301.2[电气工程—电机] TP273[自动化与计算机技术—检测技术与自动化装置]