| 基于虚拟仪器的暂态电能质量实时监测系统 |
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| 引用本文： | 郑贺伟,胡鹏程. 基于虚拟仪器的暂态电能质量实时监测系统[J]. 电测与仪表, 2010, 47(2) |
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| 作者姓名： | 郑贺伟 胡鹏程 |
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| 作者单位： | 重庆市长寿供电局,重庆,401220;重庆市长寿供电局,重庆,401220 |
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| 摘 要： | 针对目前电能质量实时监测的问题,提出了一种利用移动小波变换算法检测和分析电力系统暂态电能质量扰动的方法,并基于虚拟仪器设计了一套暂态电能质量实时分析系统,该系统可根据用户要求选择不同的工作模式实现在线或离线分析,能够对扰动信号进行准确的定位和分析。最后,通过可编程的交流电源产生各种常见暂态扰动信号,对本系统功能进行测试,实验分析结果表明,该系统具有良好的实时性和可靠性。
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| 关 键 词： | 电能质量 暂态扰动 实时 小波变换 虚拟仪器 |
Real-time Monitoring System for Transient Power Quality Based on Virtual Instrument |
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| ZHENG He-wei,HU Peng-cheng. Real-time Monitoring System for Transient Power Quality Based on Virtual Instrument[J]. Electrical Measurement & Instrumentation, 2010, 47(2) |
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| Authors: | ZHENG He-wei HU Peng-cheng |
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| Affiliation: | Chongqing Changshou Power Supply Bureau;Chongqing 401220;China |
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| Abstract: | A method using running wavelet transform algorithm to detect and analyze transient power quality disturbances in power system in real time is proposed.The virtual instrument is used for designing a system of real-time analyzing transient power quality.The system can operate in different working modes depending on the choosing of the users with accurate detection and analysis.Finally,various transient disturbing signals generated by a programmable AC source are used for testing the system.The results demonst... |
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| Keywords: | power quality transient disturbances real-time wavelet transform virtual instrument |
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