| 引用本文: | 陈友文,张伏生,刘沛津,曹进.基于GPS同步时钟的在线谐波测量分析系统[J].电力自动化设备,2003,(6):71-73,76 |
| .Online harmonic measuring and analysis system based on GPS[J].Electric Power Automation Equipment,2003,(6):71-73,76 |
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| 摘要: |
| 提出了电力网络在线谐波测量分析的新系统构架思想。该系统应用全球定位系统GPS(Global Position System)同步时钟作为系统同步测量的时间标准，采用虚拟仪器技术，充分利用电力系统的网络资源，实现系统数据资源共享、实时传递、数据综合显示和综合分析。在谐波分析中可灵活地选用高精度快速傅里叶变换法FFT(Fast Fourier Transform)和递归RFFT(Recursive Fast Fourier Transform)法，有效地提高了谐波分析的精度和速度。 |
| 关键词: 谐波 全球定位系统 虚拟仪器 递归FFT 高精度FFT法 |
| DOI： |
| 分类号:TM935 |
| 基金项目: |
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| Online harmonic measuring and analysis system based on GPS |
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ZHANG Fu-sheng 1 LIU Pei-jin 1 CAO Jin 2 CHEN You-wen 3
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| Abstract: |
| A systematic concept for the online measuring and analysis of power network harmonic is presented.It applies GPS(Global Positioning System)to synchronize local clock for synchronous measuring,adopts virtual instrument technique and fully utilizes the network resources of power system.It realizes system data sharing,real-time data transfer and synthetic data display and analysis.During harmonic analysis,FFT(Fast Fourier Transform)algorithm with high accuracy of RFFT(Re-cursive Fast Fourier Transform)algorithm can be chosen to improve accuracy and speed effectively. |
| Key words: harmonic,GPS,virtual instrument,recursive FFT,FFT algorithm with high accuracy |
