| 基于虚拟仪器LabWindows/CVI的电能质量分析仪 |
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| 引用本文： | 林琳,邓曙光. 基于虚拟仪器LabWindows/CVI的电能质量分析仪[J]. 湖南城市学院学报(自然科学版), 2008, 17(3) |
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| 作者姓名： | 林琳 邓曙光 |
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| 作者单位： | 湖南城市学院,物理与电信工程系,湖南,益阳,413000;湖南城市学院,物理与电信工程系,湖南,益阳,413000 |
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| 摘 要： | 针对传统电能质量分析系统存在的存储容量小，显示功能单调，非正弦电参量测量误差大，数据分析处理能力欠缺等问题，提出了基于Labwindows／CVI虚拟技术平台的电能质量分析仪的设计方案，其中包括利用过零检测方法进行频率检测和测量；利用快速傅立叶变换求出基波和谐波幅值、相位；利用相关方法求信号的相位差等．经反复测量及试验，效果良好．
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| 关 键 词： | 虚拟仪器 电能质量 LabWindows/CVI 快速傅立叶 |
Power Quality Analyzer Based on Lab Windows/CVI |
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| LIN Lin,DENG Shu-guang. Power Quality Analyzer Based on Lab Windows/CVI[J]. Journal of Hunan City University:Natural Science, 2008, 17(3) |
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| Authors: | LIN Lin DENG Shu-guang |
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| Affiliation: | Department of Physics and Electronics Engineering;Hunan City University;Yiyang;Hunan 413000;China |
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| Abstract: | Traditional power quality analyzer has the problems that storage capacity is small,the display function is monotonous,the measurement error of non-sinusoidal parameter is big and the data analyzing and processing is imperfect.This paper proposed the design scheme of power quality analyzer based on LabWindows/CVI.It includes Measure the frequency by Zero Cross Detection.To measure the amplitude and phase of fundamental and harmonious by Fast Fourier Transform and to get the phase deflection by correlation.Th... |
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| Keywords: | LabWindows/CVI |
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