| 基于LabVIEW的谐波电能计量与分析系统的研究 |
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| 引用本文： | 沈华.基于LabVIEW的谐波电能计量与分析系统的研究[J].电测与仪表,2010,47(1). |
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| 作者姓名： | 沈华 |
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| 作者单位： | 上海市电力公司电能计量中心,上海,200051 |
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| 摘 要： | 各种非线性负荷的大量应用使电力系统中谐波含量剧增,谐波问题给电能计量的准确性带来了很大的负面影响。传统的谐波电能计量方法有很多缺点,为此本文提出一种基于快速傅里叶变换(FFT)和虚拟仪器开发环境LabVIEW的谐波电能计量与分析系统的设计方案。本文介绍了系统的总体设计方案,并分别给出了系统各部分的硬件组成和各模块的LabVIEW程序框图。
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| 关 键 词： | 谐波 电能计量 虚拟仪器 LabVIEW FFT |
Research on LabVIEW-based Electrical Energy Measurement and Analysis System with Harmonics |
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| SHEN Hua.Research on LabVIEW-based Electrical Energy Measurement and Analysis System with Harmonics[J].Electrical Measurement & Instrumentation,2010,47(1). |
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| Authors: | SHEN Hua |
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| Affiliation: | Electrical Energy Measurement Center of SMEPC;Shanghai 200051;China |
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| Abstract: | Application of nonlinear-load in power system causes the increase of harmonics content.The problem of harmonics has a lot of negative impact on the accuracy of electrical energy measurement.The traditional method of harmonics measurement has a lot of disadvantages.For this reason this paper presents a design scheme of electrical energy measurement and analysis system based on FFT(fast Fourier transformation) and LabVIEW.The system design program is introduced.The composition of hardware and the program diag... |
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| Keywords: | harmonics electrical energy measurement virtual instrument LabVIEW FFT |
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