| 基于规则采样线性外推的准自然采样SPWM方法 |
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| 引用本文： | 毛惠丰,侯小华,施杰,陈增禄.基于规则采样线性外推的准自然采样SPWM方法[J].电源技术应用,2006,9(10):13-17. |
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| 作者姓名： | 毛惠丰 侯小华 施杰 陈增禄 |
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| 作者单位： | 西安工程大学，西安工程大学，西安工程大学，西安工程大学 陕西 西安，710048，陕西 西安，710048，陕西 西安，710048，陕西 西安，710048 西安交通大学，陕西 西安，710049 |
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| 摘 要： | 提出了一种基于规则采样线性外推的准自然采样SPWM新方法。详细论述了该方法的基本原理,早出了SPWM开关点方程。对该方法进行了仿真研究,并与传统的自然采样法和规则采样法进行了比较。结果表明,该方法的输出基波幅值较另两种方法更大,THD较自然采样法还要小。当载波比增大到一定的范围时,三种方法的基波幅值、THD趋于一致。
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| 关 键 词： | 正弦波脉宽调制 规则采样法/自然采样法 线性外推法 谐波分析 THD |
| 收稿时间： | 08 30 2006 12:00AM |
Research on a Quasi-Nature Sampling SPWM Waveform Formation and Simulation based on Linearization Extrapolation of Regular Sampling |
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| MAO Hui-feng, HOU Xiao-hua, SHI Jie, CHEN Zeng-lu.Research on a Quasi-Nature Sampling SPWM Waveform Formation and Simulation based on Linearization Extrapolation of Regular Sampling[J].Power Supply Technologles and Applications,2006,9(10):13-17. |
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| Authors: | MAO Hui-feng HOU Xiao-hua SHI Jie CHEN Zeng-lu |
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| Abstract: | A new quasi-nature sampling SPWM based on lineafization extrapolation of regular sampling is presented.Its principle and the equation of switch-point are introduced.The new method is simulated,and compared with nature sampling and regular sampling.The results show that the amplitude of fundamental is higher than that of the others,and the THD is lower than that of Nature sampling.As the ratio of carrier wave increasing at the given range,the amplitude of fundamental and the THD of quasi-nature sampling SPWM will accord with the others. |
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| Keywords: | SPWM regular sampling/nature sampling linearization extrapolation harmonic analysis THD |
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