| 一种频率偏移时求取有效值的方法 |
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| 引用本文： | 付振虎,赵鑫.一种频率偏移时求取有效值的方法[J].山东理工大学学报,2012(2):91-94. |
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| 作者姓名： | 付振虎 赵鑫 |
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| 作者单位： | 山东理工大学电气与电子工程学院 |
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| 摘 要： | 分析了频率偏移下以固定采样频率求取交流量有效值的误差.在软件同步采样方法的基础上,提出了以固定高速频率采样后重新同步采样来计算有效值的方法.经仿真验证,该方法具有较好的精度和速度,可以用于对实时性与精度要求较高的场合.
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| 关 键 词： | 频率偏移 有效值 跟踪采样 |
A method for valid value measurement with frequency deviation |
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| FU Zhen-hu,ZHAO Xin.A method for valid value measurement with frequency deviation[J].Journal of Shandong University of Technology:Science and Technology,2012(2):91-94. |
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| Authors: | FU Zhen-hu ZHAO Xin |
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| Institution: | (School of Electrical and Electronic Engineering,Shandong University of Technology,Zibo 255091,China) |
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| Abstract: | Errors of valid values measured by fixed sampling frequency were analyzed while system frequency deviated from normal rating,and measuring method of valid values was proposed based on high speed data acquisition.This method has good accuracy and speed by simulation validation,and can be used in real-time and high precision occasion. |
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| Keywords: | frequency deviate valid value tracking sample |
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