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《Insulators and Surge Arresters》 2003-04
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Leakage Current Tester of MOA Based on Windows and Interpolated FFT

DU Yanxing,SHENG Zhongru,CHEN Jiming,LUO Yiping(Electrical Engineering College of Xi′an Jiaotong University,Xi′an 710049,China)  
A new model of leakage current tester of MOA(metal oxide arrester)is introduced.Based on the hardware of MCU and floating DSP,the software utilizes the windows and interpolated FFT algorithm,which can improve the measure precision of fundamental frequency component of resistive leakage current caused by unsynchronized sampling.It is proved by experiments that the tester is stable,of high precision and it also reveals well resistance against interference.What the tester gets can more preciously represent the working condition of MOA.
【CateGory Index】: TP274.4
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【References】
Chinese Journal Full-text Database 1 Hits
1 HAO Xi-wei1,YANG Da-wei2,LIU Guang-yan3,ZHANG Guan-jun1(1.State Key Laboratory of Electrical Insulation and Power Equipment,Xi’an Jiaotong University,Xi’an 710049,China;2.Beijing Orient Institute of Test and Measurement,Beijing 100086,China;3.Shandong Electric Power Research Institute,Jinan 250002,China);Theoretical and Simulation Study on High Accuracy FFT Algorithm for tanδ Monitoring[J];High Voltage Apparatus;2009-02
【Citations】
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1 ;The Development of Tester of Leakage Current of MOA Based on Floting DSP[J];High Voltage Engineering;2002-07
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 YU Xiao-ming,WU Jie,WANG Shi-wen,ZHANG Yong(College of Electrical Power,South China University of Technology,Guangzhou 510640,China);Universal FFT Algorithm Based on DSP and its Application in Harmonic Detection in Grid[J];Journal of Beijing Union University(Natural Sciences);2007-03
2 LI Jing 1,2*,PEI Liang2,YU Dao-yin1,CAO Mao-yong 1,2 1.Key Lab of Opto-Electronics Information and Technical Science Ministry of Education,School of Precision Instrument and Opto-Electronics Engineering,Tianjin University,Tianjin 300072,China;2.Qingdao Campus,Shandong University of Science and Technology,Qingdao Shandong 266510,China;3.Institute of Ocean Instrument,Shandong Academy of Sciences Qingdao,Shandong 266001,China;Application of the Super-Resolution Spectral Estimation Theory to the Harmonics and Interharmonics Analysis in the Electric Power System[J];Chinese Journal of Sensors and Actuators;2006-06
3 LI Jia-kun,LI Sheng-ming (Changjiang Engineering Vocational College,Chibi 437302,China);Research on Harmonic Restraining in Power System[J];Journal of Changjiang Engineering Vocational College;2008-04
4 LI Yi-hua,LIN Wen-nan,LI Mao-jun(College of Electrical and Information Engineering,Changsha University of Science and Technology,Changsha 410076,China);Comparison between interpolating windwed FFT algorithm and wavelet transformer algorithm on the application of power system harmonics detection[J];Journal of Electric Power Science and Technology;2007-02
5 SHI Cai-jun(Hebei University,Baoding 071002);Algorithm of Sampling Frequency Plesiochronous in Harmonic Detection[J];Journal of Northeast Dianli University;2006-02
6 FU Zhong-jun (Jiangsu Teachers University of Technology,Changzhou 213001,China);Accurately Measuring MOA′s Resistive Fundamental Harmonic Leakage Current by Over-zero & Harmonic Analysis Methods[J];Insulators and Surge Arresters;2004-02
7 FU Zhong-jun(Jiangsu Teachers University of Technology,Changzhou 213001,China);Appling of Simultaneous Sampling in MOA Performance Inspection[J];Insulators and Surge Arresters;2008-01
8 FANG Lei,WANG Ying-jian,ZHANG Yu-huan(College of Electric & Information Engineering,Changsha University of Science & Technology,Changsha 410077,China);Power System Harmonics Measurement Window Interpolation Algorithm and the Realization with Matlab[J];Insulators and Surge Arresters;2009-03
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