| 采用DSP的三相整流器开关频率控制算法 |
| |
| 引用本文： | 魏克新,孙强,冯金钊.采用DSP的三相整流器开关频率控制算法[J].高电压技术,2009,35(11):2853-2857. |
| |
| 作者姓名： | 魏克新 孙强 冯金钊 |
| |
| 作者单位： | 天津理工大学自动化学院,天津,300384 |
| |
| 基金项目： | 国家高技术研究发展计划(863计划)(2008AA11A145); 天津市科技支撑计划重点项目(06YFJMJC01800); 天津市高等学校科技发展基金(2006BA24)~~ |
| |
| 摘 要： | 为了消除变流系统开关频率的不定性带来的电网谐波污染和较严重的开关应力对功率器件的冲击性损害,通过比较和分析传统的电流跟踪型三相变流器控制算法的控制规律,揭示其优缺点,提出了三相整流器优化的开关频率控制策略。该方案结合了滞环控制与固定开关频率算法的各自优点,并降低了对滤波电路的设计难度,提高了系统的动态响应和鲁棒性,减小了系统的开关损耗。经过仿真分析,并利用DSPTMS320F2812处理器搭建起10.0kW的试验样机,均验证了此策略的正确性和可行性。
|
| 关 键 词： | 三相可逆变流器 开关频率控制 单位功率因数 谐波 畸变 电磁干扰(EMI) |
Switching Frequency Control Algorithm in Three-phase Rectifier Using DSP |
| |
| WEI Ke-xin
,
SUN Qiang
,
FENG Jin-zhao.Switching Frequency Control Algorithm in Three-phase Rectifier Using DSP[J].High Voltage Engineering,2009,35(11):2853-2857. |
| |
| Authors: | WEI Ke-xin SUN Qiang FENG Jin-zhao |
| |
| Affiliation: | WEI Ke-xin,SUN Qiang,FENG Jin-zhao(School of Automation,Tianjin University of Technology,Tianjin 300384,China) |
| |
| Abstract: | Through comparing and analyzing the control rule of traditional current tracking three-phase converter system,we analyzed the advantages and disadvantages of the control rule.To eliminate the serious power supply harmonic pollution and shock damage of power devices by inconstant switching frequency in the converter and to reduce difficulty in filter circuit design,the optimized switching frequency control algorithm was put forward,which combined their advantages of current hysteresis control and constant sw... |
| |
| Keywords: | three-phase rectifier switching frequency control unity power factor harmonic distortion electro magnetic interference(EMI) |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
