| 三相电压型PWM逆变器的建模研究 |
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| 引用本文： | 皇金锋,董锋斌. 三相电压型PWM逆变器的建模研究[J]. 电力电子技术, 2011, 45(4): 67-69 |
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| 作者姓名： | 皇金锋 董锋斌 |
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| 作者单位： | 陕西理工学院电气工程系; |
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| 基金项目： | 陕西省教育厅科学研究计划项目资助(09JK374,2010JK468)~~ |
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| 摘 要： | 根据三相电压型PWM逆变器的工作原理,引入开关周期平均算子将离散的系统变换为连续的系统,应用坐标旋转变换将三相交流电量变换成直流量,使用小信号扰动法将非线性的系统变换为线性的系统.建立了三相电压型PWM逆变器系统的小信号动态数学模型,以SPWM调制法为例,建立了从调制器输入到逆变器输出的动态数学模型,仿真和实验结果验证...
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| 关 键 词： | 逆变器 脉宽调制 开关周期平均算子 建模 |
Research for Three Phase Voltage Source PWM Inverter |
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| HUANG Jin-feng,DONG Feng-bin. Research for Three Phase Voltage Source PWM Inverter[J]. Power Electronics, 2011, 45(4): 67-69 |
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| Authors: | HUANG Jin-feng DONG Feng-bin |
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| Affiliation: | HUANG Jin-feng,DONG Feng-bin(Shaanxi University of Technology,Hanzhong 723003,China) |
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| Abstract: | According to three-phase voltage-type PWM inverter principle,the average switching period is introduced to discrete systems operator for the continuous system transformation.Three phase alternating current variable are trans-formed into direct current variable with rotating transition of coordinate.The small signal perturbation method is used to transform the non-linear system into linear,the small signal dynamic mathematical models are built up.To take the SPWM modulation method for example,the input-to-ou... |
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| Keywords: | inverter pulse width modulation cycle switch average operator modeling |
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