| 三电平整流器中点电位平衡的研究 |
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| 引用本文： | 杨新华,王佰川.三电平整流器中点电位平衡的研究[J].电气自动化,2011,33(4):65-67. |
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| 作者姓名： | 杨新华 王佰川 |
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| 作者单位： | 1. 兰州理工大学电气工程与信息工程学院,甘肃兰州730050;甘肃省工业过程先进控制重点实验室,甘肃兰州730050
2. 甘肃省工业过程先进控制重点实验室,甘肃兰州,730050 |
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| 摘 要： | 介绍了一种新的中点电压平衡控制策略,得出SVPWM简化算法(传统的三电平SVPWM算法很复杂,涉及很多的三角函数和查表).在d,q坐标系下建立三电平中点箝位电压型整流器高频数学模型,采用电压外环和电流内环的双闭环控制实现了三电平整流器的高性能特性.最后在MATLAB仿真环境中建立仿真模型,对60°坐标系SVPWM算法进...
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| 关 键 词： | PWM整流器 双闭环控制 中点电位控制 60°坐标系 |
Study of Neutral Point Voltage Balance for Three-level Rectifier |
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| Yang Xinhua,Wang Baichuan.Study of Neutral Point Voltage Balance for Three-level Rectifier[J].Electrical Automation,2011,33(4):65-67. |
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| Authors: | Yang Xinhua Wang Baichuan |
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| Affiliation: | Yang Xinhua1,2 Wang Baichuan2(1.College of Electrical and Information Engineering,Lanzhou University of Technology,Lanzhou 730050,China,2.Key Laboratory of Gansu Advanced Control for Industrial processes,Lanzhou Gansu 730050,China) |
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| Abstract: | The traditional three level SVPWM algorithm is very complex,relating to many trigonometric function computing and look-up table.In this paper,the predigested SVPWM algorithm is elicited by using a new neutral balanced control strategy.The high-frequency mathematical model of three level neutral-point-clamped voltage source rectifier was established in the d,q frames,using the dual closed loop control of voltage outer loop and current inner loop,the three level rectifier high-performance features were achiev... |
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| Keywords: | PWM rectifier Dual closed loop control Neutral point voltage control 60°coordinates system |
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