[1]原佳亮,林飞,方晓春,等.高速列车三电平牵引逆变器多模式PWM调制方法研究[J].机车电传动,2013,(06):20-22.
 YUAN Jia-liang,LIN Fei,FANG Xiao-chun,et al.Multi-mode PWM Method for Three-level Inverter of High Speed Train[J].Electric Drive for Locomotives,2013,(06):20-22.
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高速列车三电平牵引逆变器多模式PWM调制方法研究()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2013年06期
页码:
20-22
栏目:
研究开发
出版日期:
2013-11-10

文章信息/Info

Title:
Multi-mode PWM Method for Three-level Inverter of High Speed Train
文章编号:
1000-128X(2013)06-0020-03
作者:
原佳亮1林飞1方晓春1孙湖1杨中平1余进2
1.北京交通大学电气工程学院2.南车青岛四方机车车辆股份有限公司技术中
Author(s):
YUAN Jia-liang1 LIN Fei1 FANG Xiao-chun1 SUN Hu1 YANG Zhong-ping1 YU Jin2
( 1.School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China;2.Technology Center, CSR Qingdao Sifang Locomotive & Rolling Stock Co., Ltd., Qingdao,Shandong 266111,China )
关键词:
交流传动中点箝位型三电平逆变器多模式PWM同步调制中间60°调制高速列车
Keywords:
AC drive neutral point clamped three-level inverter multi-mode PWM synchronous modulation central 60°modulationhigh-speed train
分类号:
U260.14, U292.91+4
文献标志码:
A
摘要:
针对中点箝位式三电平牵引逆变器,重点研究了其多模式PWM调制中的同步调制阶段,给出一种可以实时计算开关角的中间60°同步调制方法。对于不同载波比条件,分析了中间60°同步调制的原理,得出了调制波基波幅值指令与开关角的解析关系式,并探讨了多模式下不同调制模式的切换条件。利用该方法建立了三电平逆变器-异步电机驱动系统仿真模型,对异步调制、5分频同步调制、3分频同步调制及方波工况进行了仿真。仿真结果表明,该方法下三电平逆变器输出波形对称性良好,在载波比较低时能够保证输出电压基波幅值满足要求,并可实现不同调制模式的平滑切换。
Abstract:
A central 60° synchronous modulation method was presented for neutral point clamped three-level inverter used in themulti-mode PWM modulation strategy, which could calculate switching angle in real time. Principle of the modulation method with differentcarrier frequency ratios was introduced, and relationship between switching angle and modulation wave was derived, as well as switchingstrategy. According to this method, a simulation model of drive system with three-level inverter and induction motor was built, andasynchronous modulation, 5 frequency division synchronous modulation 3 frequency division synchronous modulation and square wave areawere simulated. The simulation showed that with the method, output voltage values met the requirements of good symmetry even in case oflow carrier frequency ratio, and smooth switching among different modulation could also be accomplished.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介:原佳亮(1989-),女,硕士研究生,从事电力电子变换器、交流传动等研究。
更新日期/Last Update: 2013-11-10