肖遥,孟·让·柯洛德

• 1:湖北省电力试验研究院
• 2:布鲁塞尔自由大学 湖北省430077

摘要(Abstract)：

系统频率是大家普遍关注的电能质量指标之一。大量应用新技术对频率测量精度的要求也越来越高。近年来用于精确测量频率的新方法也常见于报道 ,但这些方法几乎都在波形畸变上做文章。文中通过理论分析和试验 ,揭示了引起频率测量偏差的主要原因是系统中的发电机出力、负荷和系统结构发生变化 ,导致被测电压信号初相角发生突变所致

关键词(KeyWords)： 系统频率;频率测量;电能质量

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 肖遥,孟·让·柯洛德

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参考文献(References)：

• [1]　TerzijaV V,DjuricM B,KovacevicB D.Voltage phasor andlocal system frequency estimation usingNewton typealgorithm[J].IEEE Trans onPD,1994,9(3):1368-1374.
• [2]　EckhardtV,HippeP,HosemannG.Dynamic measuring offrequency and frequency oscillations in multiphase powersystems[J].IEEE Trans onPD,1989,4(4):95
• [3]　GirgisA A,PetersonW L .Adaptive estimation of powerfrequency deviation and its rate of change for calculatingsudden power system overloads[J].IEEE Trans onPD,1990,5(2):585.
• [4]　GirayM M,SachdevM S.Off-nominal frequencymeasurements in electric power systems[J].IEEE Trans onPD,1989,4(3):1573.
• [5]　SidhuT S,SachdevM S.An iterative technique for fast andaccurate measurement of power system frequency[J].IEEETrans onPD,1998,13(1):109.
• [6]　BegovicM M,DjuricP M,DunlapS,et al.Frequency trackingin power networks in the presence of harmonics[J].IEEETrans onPD,1993,8(2):480.
• [7]　L aiL L,ChanW L,TseC T,et al.Real-time frequency andharmonic evaluation using artificial neural networks[J].IEEETrans onPD,1999,14(1):52.
• [8]　MooreP J,CarranzaR D,JohnA T.1new numerical techniquefor high-speed evaluation of power system frequency[J].IEEProc-GenerTransmDistrib,1994,141(5).
• [9]　MooreP J,AllmelingJH,JohnA T.Frequency relaying basedon instantaneous frequency measurement[J].96WM 066-1,PWRD.
• [10]谢小荣,韩英铎.电力系统频率测量综述[J].电力系统自动化,1999,23(3).
• [11]刘涤尘,夏利民,商志会.基于人工神经网络的电网频率测量方法[J].电网技术,2000,24(8).
• [12]XiaoY,MaunJ G,et al.Harmonic im pedance measurementusing harmonic voltage and current increments fromdisturbing loads[C].9thICHQP Proceedings,2000:220-225