地铁信号线缆大电阻错误接地位置检测算法
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摘要
地铁信号线缆出现大电阻错误接地时,多路干扰信号给故障排查和位置检测带来困难。本文提出转换相位差位置检测方法,并结合汉宁窗相位校准进行误接地线缆位置的定位,采用Simulink建立受损线缆的电容模型,并在波形处理中采用上述方法,模拟结果表明转换相位差方法可用于线缆损伤及误接地的定位。
Once there is a high resistance error earthing position occurred in subway signal cable, multiple channel interfering signals will bring difficulties to the trouble shooting and fault locating. The paper puts forward the detection method of phase difference conversion, with connection to Hanning window phase position calibration for locating the position of error earthing cable. The simulation results show that the detection method for phase difference conversion is applicable for locating the injured cable and the error earthing position after it is being applied for waveform processing on the basis of a capacitance model established by adopting of Simulink.
Once there is a high resistance error earthing position occurred in subway signal cable, multiple channel interfering signals will bring difficulties to the trouble shooting and fault locating. The paper puts forward the detection method of phase difference conversion, with connection to Hanning window phase position calibration for locating the position of error earthing cable. The simulation results show that the detection method for phase difference conversion is applicable for locating the injured cable and the error earthing position after it is being applied for waveform processing on the basis of a capacitance model established by adopting of Simulink.
引文
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[2]陈朝晖.电力电缆故障的检测与预防对策[J].山东工业技术,2016(13):184-185.
[3]何光华,俞骏,徐凯,等.脉冲波形对脉冲反射法的电缆故障定位影响的研究[J].电网与清洁能源,2016,32(6):68-72.
[4]陈劲达,崔泰琰,姚腾飞.浅谈电力系统供电可靠性[J].中国西部科技,2011(18):62-62.
[5]赵静,郭兴华.探析电力系统调度自动化[J].数字技术与应用,2011(6):185-185.
[6]王栋良,张建春,丁小军,等.浅析T/R组件工艺集成技术对修理技术的影响[J].航空维修与工程,2016(4):51-54.
[7]胡智琦,王凤云,李珍珍,等.基2-FFT捕获算法中的数据预处理方法研究[A].第八届全国信号和智能信息处理与应用学术会议会刊,2014.
[8]杨巍.低能量电除颤成功抢救心脏骤停的临床分析[C].中华急诊医学杂志急诊医学青年论坛,2013.
[9]赵达明.从单相波到双相波-电除颤技术的发展与趋势[A].灾害创伤与急救新进展学术交流会,2008.
[10]钟一鸣,谢东明,朱宏权,等.低能量智能双相波在恶性室性心律失常电复律中的临床应用[J].赣南医学院学报,2009,29(6):865-866.
[11]Dispersion of cardiac action potential duration and the initiation of reentry.Richard HC,Arun VH.Bio Medical engineering online.2005.
[12]Computer simulations of cardiac defibrillation:a look inside the heart.Nata T,James E,Felipe A.Computing and Visualization in Science.2002.
[13]Resuscitation after prolonged ventricular fibrillation with use of monophasic and biphasic waveform pulses for external defibrillation.Leng CT,Paradis NA,Calkins H,et al.Circulation.2000.
[14]Separation of three-dimensional scattering effects in tilt-series Fourier ptychography[J].Peng Li,Darren J.Batey,Tega B.Edo,John M.Rodenburg.Ultramicroscopy.2015.
[15]Solving ptychography with a convex relaxation[J].Roarke Horstmeyer,Richard Y Chen,Xiaoze Ou,Brendan Ames,Joel A Tropp,Changhuei Yang.New Journal of Physics.2015(5).
[16]Phase recovery,Max Cut and complex semidefinite programming[J].Irène Waldspurger,Alexandre d’Aspremont,Stéphane Mallat.Mathematical Programming.2015(1-2).
[17]Digital pathology with Fourier ptychography[J].Roarke Horstmeyer,Xiaoze Ou,Guoan Zheng,Phil Willems,Changhuei Yang.Computerized Medical Imaging and Graphics.2014.
[18]杨庆山,姜海鹏,陈英俊.基于相位差谱的时-频非平稳人造地震动的生成[J].地震工程与工程振动,2001,21(3):10-16.
[19]田玉基,杨庆山.基于相位差谱的空间相关非平稳地震动场的模拟[J].计算力学学报,2010,27(5):828-833.
[20]谭俊林,张文孝,王增光.用相位差谱统计规律探讨人造地震动方法[J].内陆地震,2006,20(1):40-47.